Quantitative Literacy (Loose Leaf) with Connect Math Hosted by ALEKS Access Card
1st Edition
ISBN: 9781259934117
Author: David Sobecki Professor, Brian A. Mercer
Publisher: McGraw-Hill Education
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Chapter 11.8, Problem 33E
To determine
To decide: Whether the given pairs of quantities is positively
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538 Chapter 13
12. Given: Points E(-4, 1), F(2, 3), G(4, 9), and H(-2, 7)
a. Show that EFGH is a rhombus.
b. Use slopes to verify that the diagonals are
perpendicular.
13. Given: Points R(-4, 5), S(-1, 9), T(7, 3) and U(4, -1)
a. Show that RSTU is a rectangle.
b. Use the distance formula to verify that the diagonals are congruent.
14. Given: Points N(-1, -5), O(0, 0), P(3, 2), and 2(8, 1)
a. Show that NOPQ is an isosceles trapezoid.
b. Show that the diagonals are congruent.
Decide what special type of quadrilateral HIJK is. Then prove that your
answer is correct.
15. H(0, 0)
16. H(0, 1)
17. H(7, 5)
18. H(-3, -3)
I(5, 0)
I(2,-3)
1(8, 3)
I(-5, -6)
J(7, 9)
K(1, 9)
J(-2, -1)
K(-4, 3)
J(0, -1)
K(-1, 1)
J(4, -5)
K(6,-2)
19. Point N(3, - 4) lies on the circle x² +
y² = 25. What is the slope of the
(Hint: Recall Theorem 9-1.)
-
line that is tangent to the circle at N?
20. Point P(6, 7) lies on the circle (x + 2)² + (y − 1)² = 100. What is the
slope of the line that is tangent to the circle at…
Consider a set of data ...
For each graph in Figure 16, determine whether f (1) is larger or smaller than the slope of the secant line between x = 1 and x = 1 + h for h > 0.
Explain your reasoning
Chapter 11 Solutions
Quantitative Literacy (Loose Leaf) with Connect Math Hosted by ALEKS Access Card
Ch. 11.1 - A marketing firm is hired to study the occupants...Ch. 11.1 - A health-food store recorded the type of vitamin...Ch. 11.1 - In one math class, the data below represent the...Ch. 11.1 - Prob. 4TTOCh. 11.1 - Prob. 5TTOCh. 11.1 - What are data?Ch. 11.1 - Define statistics.Ch. 11.1 - Explain the difference between a population and a...Ch. 11.1 - How is a random sample selected?Ch. 11.1 - How is a systematic sample selected?
Ch. 11.1 - How is a stratified sample selected?Ch. 11.1 - How is a cluster sample selected?Ch. 11.1 - Prob. 8ECh. 11.1 - Describe the difference between descriptive and...Ch. 11.1 - How do inductive and deductive reasoning play a...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - For Exercises 1116, classify each sample as...Ch. 11.1 - In Exercises 1722, decide if you think the method...Ch. 11.1 - In Exercises 172, decide if you think the method...Ch. 11.1 - In Exercises 1722, decide if you think the method...Ch. 11.1 - In Exercises 1722, decide if you think the method...Ch. 11.1 - In Exercises 1722, decide if you think the method...Ch. 11.1 - In Exercises 1722, decide if you think the method...Ch. 11.1 - At a college financial aid office students who...Ch. 11.1 - A questionnaire about how students primarily get...Ch. 11.1 - Twenty-five fans of reality TV were asked to rate...Ch. 11.1 - A small independent developer of apps for...Ch. 11.1 - The ages of the signers of the Declaration of...Ch. 11.1 - The percentage of traffic fatalities in which at...Ch. 11.1 - Prob. 29ECh. 11.1 - The acreage (in thousands of acres) of the 39 U.S....Ch. 11.1 - Prob. 31ECh. 11.1 - 32. During the 1998 baseball season, Mark McGwire...Ch. 11.1 - Prob. 33ECh. 11.1 - Twenty-nine executives reported the number of...Ch. 11.1 - The National Insurance Crime Bureau reported that...Ch. 11.1 - Prob. 36ECh. 11.1 - The data shown represent the percentage of...Ch. 11.1 - Prob. 38ECh. 11.1 - Prob. 39ECh. 11.1 - Prob. 40ECh. 11.1 - For Exercises 3944, decide whether descriptive or...Ch. 11.1 - For Exercises 3944, decide whether descriptive or...Ch. 11.1 - For Exercises 3944, decide whether descriptive or...Ch. 11.1 - For Exercises 3944, decide whether descriptive or...Ch. 11.1 - For Exercises 3944, decide whether descriptive or...Ch. 11.1 - Prob. 46ECh. 11.1 - In addition to the four basic sampling methods,...Ch. 11.1 - Prob. 52ECh. 11.1 - Prob. 53ECh. 11.1 - Prob. 54ECh. 11.2 - Prob. 1TTOCh. 11.2 - Prob. 2TTOCh. 11.2 - Prob. 3TTOCh. 11.2 - Prob. 4TTOCh. 11.2 - Prob. 5TTOCh. 11.2 - Prob. 6TTOCh. 11.2 - Describe how to draw a bar graph and a pie chart...Ch. 11.2 - Explain why bar graphs and pie charts are...Ch. 11.2 - Prob. 3ECh. 11.2 - Prob. 4ECh. 11.2 - Prob. 5ECh. 11.2 - How are histograms and frequency polygons similar?...Ch. 11.2 - Prob. 7ECh. 11.2 - Describe the purpose of a time series graph.Ch. 11.2 - Prob. 9ECh. 11.2 - The data below show the number of students...Ch. 11.2 - 11. Draw a bar graph for the number of registered...Ch. 11.2 - Prob. 12ECh. 11.2 - The number of students at one campus who had a 4.0...Ch. 11.2 - In an insurance company study of the causes of...Ch. 11.2 - In a survey of 100 college students, the numbers...Ch. 11.2 - Prob. 16ECh. 11.2 - For 108 randomly selected college applicants, the...Ch. 11.2 - Prob. 18ECh. 11.2 - Prob. 19ECh. 11.2 - Prob. 20ECh. 11.2 - Prob. 21ECh. 11.2 - Prob. 22ECh. 11.2 - Prob. 23ECh. 11.2 - Prob. 24ECh. 11.2 - Prob. 25ECh. 11.2 - Prob. 26ECh. 11.2 - The number of employed registered nurses tin...Ch. 11.2 - Prob. 28ECh. 11.2 - Prob. 29ECh. 11.2 - Prob. 30ECh. 11.2 - Prob. 31ECh. 11.2 - Prob. 32ECh. 11.2 - Prob. 33ECh. 11.2 - Prob. 34ECh. 11.2 - Prob. 35ECh. 11.2 - Prob. 36ECh. 11.2 - Prob. 37ECh. 11.2 - Prob. 38ECh. 11.2 - Prob. 39ECh. 11.2 - Prob. 40ECh. 11.2 - Prob. 41ECh. 11.2 - 42. If you’re going to compare data sets by...Ch. 11.2 - Prob. 43ECh. 11.2 - Prob. 44ECh. 11.2 - Prob. 45ECh. 11.2 - Make up your own frequency polygon problem: using...Ch. 11.3 - Try This One 1
The total areas, in thousands of...Ch. 11.3 - Prob. 2TTOCh. 11.3 - Prob. 3TTOCh. 11.3 - Prob. 4TTOCh. 11.3 - Prob. 5TTOCh. 11.3 - Prob. 6TTOCh. 11.3 - Prob. 7TTOCh. 11.3 - Try This One 8
For the land area of the top 15...Ch. 11.3 - Prob. 1ECh. 11.3 - Prob. 2ECh. 11.3 - Prob. 3ECh. 11.3 - Prob. 4ECh. 11.3 - Prob. 5ECh. 11.3 - Which of the measures of average can be used to...Ch. 11.3 - In Questions 710, describe some strengths and...Ch. 11.3 - In Questions 710, describe some strengths and...Ch. 11.3 - In Questions 710, describe some strengths and...Ch. 11.3 - In Questions 710, describe some strengths and...Ch. 11.3 - Prob. 11ECh. 11.3 - For Exercises 1122, find the mean, median, mode,...Ch. 11.3 - For Exercises 1122, find the mean, median, mode,...Ch. 11.3 - For Exercises 11–22, find the mean, median, mode,...Ch. 11.3 - For Exercises 1122, find the mean, median, mode,...Ch. 11.3 - Prob. 16ECh. 11.3 - For Exercises 1122, find the mean, median, mode,...Ch. 11.3 - Prob. 18ECh. 11.3 - Prob. 19ECh. 11.3 - Prob. 20ECh. 11.3 - Prob. 21ECh. 11.3 - Prob. 22ECh. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - Prob. 26ECh. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - Prob. 28ECh. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - For Exercises 2330, find the mean of the data set....Ch. 11.3 - Prob. 31ECh. 11.3 - Prob. 32ECh. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - For Exercises 3338, describe which measure of...Ch. 11.3 - Prob. 39ECh. 11.3 - Exercises 39 and 40 refer back to Exercise 24. The...Ch. 11.3 - Prob. 41ECh. 11.3 - Prob. 42ECh. 11.3 - 43. In Exercise 26, we calculated the mean life...Ch. 11.3 - Prob. 44ECh. 11.3 - Prob. 45ECh. 11.3 - Prob. 46ECh. 11.3 - Prob. 47ECh. 11.3 - Prob. 48ECh. 11.3 - Prob. 49ECh. 11.4 - Prob. 1TTOCh. 11.4 - Prob. 2TTOCh. 11.4 - Prob. 3TTOCh. 11.4 - Prob. 4TTOCh. 11.4 - Name three measures of variation.Ch. 11.4 - What is the range?Ch. 11.4 - Why is the range not usually the best measure...Ch. 11.4 - Prob. 4ECh. 11.4 - Prob. 5ECh. 11.4 - Prob. 6ECh. 11.4 - For Exercises 710, discuss the relative sizes of...Ch. 11.4 - Prob. 8ECh. 11.4 - For Exercises 710, discuss the relative sizes of...Ch. 11.4 - Prob. 10ECh. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - Prob. 19ECh. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - Prob. 21ECh. 11.4 - For Exercises 1126, find the range, variance, and...Ch. 11.4 - Prob. 23ECh. 11.4 - Prob. 24ECh. 11.4 - Prob. 25ECh. 11.4 - Prob. 26ECh. 11.4 - The three data sets have the same mean and range,...Ch. 11.4 - Prob. 28ECh. 11.4 - Prob. 33ECh. 11.4 - Prob. 34ECh. 11.4 - Prob. 35ECh. 11.5 - The weights in pounds for the 12 members of a...Ch. 11.5 - Prob. 2TTOCh. 11.5 - Prob. 3TTOCh. 11.5 - Prob. 4TTOCh. 11.5 - Prob. 5TTOCh. 11.5 - If your score in your math class puts you in the...Ch. 11.5 - Does a score in the 90th percentile mean that you...Ch. 11.5 - Explain what quartiles are.Ch. 11.5 - Prob. 4ECh. 11.5 - What does the portion inside the box in a box plot...Ch. 11.5 - What is meant by the term outlier? How can you...Ch. 11.5 - The scores for 20 students on a 50-point math test...Ch. 11.5 - The heights (in inches) of the 12 students in a...Ch. 11.5 - In a class of 500 students, Carvetas rank was 125....Ch. 11.5 - In a class of 400 students, Johns rank was 80....Ch. 11.5 - In a charity marathon to raise money for AIDS...Ch. 11.5 - Prob. 12ECh. 11.5 - On an exam, Angela scored in the 20th percentile....Ch. 11.5 - Out of 600 applicants to a graduate program at an...Ch. 11.5 - Eldrick finished at the 77th percentile of a mens...Ch. 11.5 - Tinas application for a nursing position is ranked...Ch. 11.5 - Leas percentile rank on an exam in a class of 600...Ch. 11.5 - In an English class of 30 students, Audrelias...Ch. 11.5 - The Bowling Green State University mens basketball...Ch. 11.5 - Prob. 20ECh. 11.5 - In an evening statistics class, the ages of 20...Ch. 11.5 - Twenty subjects in a psychology class experiment...Ch. 11.5 - For Exercises 2328, find the values for Q1, Q2,...Ch. 11.5 - For Exercises 2328, find the values for Q1, Q2,...Ch. 11.5 - For Exercises 2328, find the values for Q1, Q2,...Ch. 11.5 - Prob. 26ECh. 11.5 - For Exercises 2328, find the values for Q1, Q2,...Ch. 11.5 - Prob. 28ECh. 11.5 - Prob. 29ECh. 11.5 - Prob. 30ECh. 11.5 - In Problems 2932, draw a box plot for the data,...Ch. 11.5 - Prob. 32ECh. 11.5 - Is it possible to score 90% on a test and have a...Ch. 11.5 - Prob. 34ECh. 11.5 - Prob. 35ECh. 11.5 - Prob. 36ECh. 11.5 - Prob. 37ECh. 11.5 - Prob. 38ECh. 11.5 - Prob. 39ECh. 11.5 - 40. What is unusual about the score at the 80th...Ch. 11.5 - 41. How many scores are lower than the score you...Ch. 11.5 - Prob. 43ECh. 11.6 - Prob. 1TTOCh. 11.6 - A standard test of intelligence is scaled so that...Ch. 11.6 - Prob. 3TTOCh. 11.6 - Prob. 4TTOCh. 11.6 - Find the area under the standard normal...Ch. 11.6 - Find the area under the standard normal...Ch. 11.6 - Prob. 7TTOCh. 11.6 - What is the distinguishing characteristic of a...Ch. 11.6 - Prob. 2ECh. 11.6 - What does the area under a portion of a normal...Ch. 11.6 - Explain what the empirical rule says.Ch. 11.6 - What percentage of the area under a normal curve...Ch. 11.6 - Why does it make sense that the total area under a...Ch. 11.6 - Prob. 7ECh. 11.6 - Prob. 8ECh. 11.6 - Prob. 9ECh. 11.6 - Prob. 10ECh. 11.6 - Prob. 11ECh. 11.6 - Prob. 12ECh. 11.6 - For Exercises 1116, the data set described is...Ch. 11.6 - Prob. 14ECh. 11.6 - For Exercises 1116, the data set described is...Ch. 11.6 - Prob. 16ECh. 11.6 - For Exercises 1116, the data set described is...Ch. 11.6 - Prob. 18ECh. 11.6 - Prob. 19ECh. 11.6 - For Exercises 19–24, find the z score for the...Ch. 11.6 - Prob. 21ECh. 11.6 - Prob. 22ECh. 11.6 - Prob. 23ECh. 11.6 - Prob. 24ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 26ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 28ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 30ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 32ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 34ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 36ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 38ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 40ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 42ECh. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - For Exercises 1738, find the area under the...Ch. 11.6 - Prob. 46ECh. 11.6 - As we know from Chapter 11, the probability of an...Ch. 11.6 - As we know from Chapter 11, the probability of an...Ch. 11.6 - As we know from Chapter 11, the probability of an...Ch. 11.6 - As we know from Chapter 11, the probability of an...Ch. 11.6 - Prob. 51ECh. 11.6 - Prob. 52ECh. 11.6 - Prob. 53ECh. 11.6 - Prob. 54ECh. 11.6 - Prob. 55ECh. 11.6 - Prob. 56ECh. 11.6 - Find two z values, one positive and one negative...Ch. 11.7 - Based on data compiled by the World Health...Ch. 11.7 - Prob. 2TTOCh. 11.7 - The mean for a reading test given nationwide is...Ch. 11.7 - The ages of 33 randomly selected inmates at a...Ch. 11.7 - Explain why the normal distribution can be used to...Ch. 11.7 - Given a data set, how could you decide if the...Ch. 11.7 - Describe the connection between area under a...Ch. 11.7 - Prob. 4ECh. 11.7 - Prob. 5ECh. 11.7 - Prob. 6ECh. 11.7 - Prob. 7ECh. 11.7 - Average sales for an online textbook distributor...Ch. 11.7 - A survey found that people keep their televisions...Ch. 11.7 - The average age of CEOs is 56 years. Assume the...Ch. 11.7 - Prob. 11ECh. 11.7 - Prob. 12ECh. 11.7 - The average amount of snow per season in Trafford...Ch. 11.7 - The average waiting time for a drive-in window at...Ch. 11.7 - The average time it takes college freshmen to...Ch. 11.7 - A brisk walk at 4 miles per hour burns an average...Ch. 11.7 - During September, the average temperature of...Ch. 11.7 - If the systolic blood pressure for a certain group...Ch. 11.7 - An IQ test has a mean of 100 and a standard...Ch. 11.7 - Prob. 20ECh. 11.7 - Prob. 21ECh. 11.7 - The average price of Stephen King paperbacks sold...Ch. 11.7 - Refer to Exercise 5. If your buddy Earl gets a job...Ch. 11.7 - Refer to Exercise 9. If you buy a TV for your dorm...Ch. 11.7 - Prob. 25ECh. 11.7 - Prob. 26ECh. 11.7 - In Problems 2730, (a) construct a histogram for...Ch. 11.7 - In Problems 2730, (a) construct a histogram for...Ch. 11.7 - In Problems 2730, (a) construct a histogram for...Ch. 11.7 - In Problems 2730, (a) construct a histogram for...Ch. 11.7 - Discuss whether or not you think each of the given...Ch. 11.7 - The number of incoming students at two campuses of...Ch. 11.7 - If a distribution of raw scores were plotted and...Ch. 11.7 - A researcher who is in charge of an educational...Ch. 11.7 - Prob. 37ECh. 11.7 - Prob. 38ECh. 11.7 - Prob. 39ECh. 11.7 - Prob. 40ECh. 11.8 - Try This One 1
Do you think there should be a...Ch. 11.8 - Prob. 2TTOCh. 11.8 - Prob. 3TTOCh. 11.8 - Prob. 4TTOCh. 11.8 - Prob. 5TTOCh. 11.8 - Prob. 6TTOCh. 11.8 - Describe what a scatter plot is and how one is...Ch. 11.8 - Explain what is meant when two variables are...Ch. 11.8 - Explain what is meant when two variables are...Ch. 11.8 - Prob. 4ECh. 11.8 - Prob. 5ECh. 11.8 - Prob. 6ECh. 11.8 - Describe the key difference between correlation...Ch. 11.8 - Prob. 8ECh. 11.8 - Prob. 9ECh. 11.8 - Prob. 10ECh. 11.8 - For the data sets in Exercises 1118, (a)Draw a...Ch. 11.8 - Prob. 12ECh. 11.8 - For the data sets in Exercises 1118, (a)Draw a...Ch. 11.8 - Prob. 14ECh. 11.8 - For the data sets in Exercises 1118, (a)Draw a...Ch. 11.8 - Prob. 16ECh. 11.8 - Prob. 17ECh. 11.8 - Prob. 18ECh. 11.8 - For the data sets in Exercises 1926, (a) Draw a...Ch. 11.8 - Prob. 20ECh. 11.8 - For the data sets in Exercises 1926, (a)Draw a...Ch. 11.8 - For the data sets in Exercises 1926, (a)Draw a...Ch. 11.8 - For the data sets in Exercises 1926, (a)Draw a...Ch. 11.8 - Prob. 24ECh. 11.8 - Prob. 25ECh. 11.8 - For the data sets in Exercises 1926, (a)Draw a...Ch. 11.8 - Prob. 27ECh. 11.8 - Prob. 28ECh. 11.8 - Prob. 29ECh. 11.8 - Design your own correlation problem. Think of two...Ch. 11.8 - Prob. 31ECh. 11.8 - Prob. 32ECh. 11.8 - Prob. 33ECh. 11.8 - Prob. 34ECh. 11.8 - Prob. 35ECh. 11.8 - Prob. 36ECh. 11.8 - Prob. 37ECh. 11.8 - Prob. 38ECh. 11.8 - Prob. 39ECh. 11.8 - Prob. 40ECh. 11 - A sporting goods store kept a record of sales of...Ch. 11 - The data set shown below represents the time in...Ch. 11 - During June, a local theater company recorded the...Ch. 11 - Construct a bar graph for the number of homicides...Ch. 11 - Draw a pie chart for the data in Exercies 4....Ch. 11 - Draw a histogram and frequency polygon for the...Ch. 11 - Prob. 7RECh. 11 - The data below are the number of U.S. citizens (in...Ch. 11 - Twelve batteries were tested to see how many hours...Ch. 11 - In your own words, explain the difference between...Ch. 11 - The data below are the number of beds at the eight...Ch. 11 - Which data set do you think would have a greater...Ch. 11 - For the census data in Problem 8, (a)Find the...Ch. 11 - Find the quartiles for the data in Problem 8, then...Ch. 11 - Find the area under the standard normal...Ch. 11 - A doctor has treated 45 male patients this week....Ch. 11 - For a data set with 90 values that is normally...Ch. 11 - Prob. 18RECh. 11 - Prob. 19RECh. 11 - Prob. 20RECh. 11 - Prob. 21RECh. 11 - The average weight of an airline passengers...Ch. 11 - The average cost of Cheetah brand running shoes is...Ch. 11 - Prob. 24RECh. 11 - A study is done to see whether there is a...Ch. 11 - Prob. 26RECh. 11 - Prob. 1CTCh. 11 - Prob. 2CTCh. 11 - Prob. 3CTCh. 11 - Prob. 4CTCh. 11 - Prob. 5CTCh. 11 - Prob. 6CTCh. 11 - These temperatures were recorded in Pasadena for a...Ch. 11 - Prob. 8CTCh. 11 - Prob. 9CTCh. 11 - Prob. 10CTCh. 11 - A major brand of potato chips sells its product in...Ch. 11 - A study is conducted to determine the relationship...
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Why or why not?arrow_forwardAnalyze the residuals of a linear regression model and select the best response.Criteria is simple evaluation of possible indications of an exponential model vs. linear model) no, the residual plot does not show a curve yes, the residual plot does not show a curve yes, the residual plot shows a curve no, the residual plot shows a curve I selected: yes, the residual plot shows a curve and it is INCORRECT. Can u help me understand why?arrow_forwardYou have been hired as an intern to run analyses on the data and report the results back to Sarah; the five questions that Sarah needs you to address are given below. please do it step by step on excel Does there appear to be a positive or negative relationship between price and screen size? Use a scatter plot to examine the relationship. Determine and interpret the correlation coefficient between the two variables. In your interpretation, discuss the direction of the relationship (positive, negative, or zero relationship). Also discuss the strength of the relationship. Estimate the relationship between screen size and price using a simple linear regression model and interpret the estimated coefficients. (In your interpretation, tell the dollar amount by which price will change for each unit of increase in screen size). Include the manufacturer dummy variable (Samsung=1, 0 otherwise) and estimate the relationship between screen size, price and manufacturer dummy as a multiple…arrow_forward(a) (b) (c) (d) de unique? Answer the following questions related to the linear system x + y + z = 2 x-y+z=0 2x + y 2 3 rewrite the linear system into the matrix-vector form A = 5 Fuse elementary row operation to solve this linear system. Is the solution use elementary row operation to find the inverse of A and then solve the linear system. Verify the solution is the same as (b). give the null space of matrix A and find the dimension of null space. give the column space of matrix A and find the dimension of the column space of A (Hint: use Rank-Nullity Theorem).arrow_forwardplease explain in a clear wayarrow_forward[) Hwk 29 SUBMIT ANSWEK Hwk 30 - (MA 244-03) (SP25) || X - Mind Tap Cengage Learning ☑ MA244-03_Syllabus_Spring, 20 × b Answered: [) 90% Hwk 29 Hwk X Rotation of Axes Example - Elimi X + https://www.webassign.net/web/Student/Assignment-Responses/last?dep=36606609 B שי 90% 2. [-/3 Points] DETAILS MY NOTES LARLINALG8 7.4.003. Use the age transition matrix L and age distribution vector X1 to find the age distribution vectors X2 and x3. 0 34 x2 = X3 = L = ↓ ↑ 1 0 0 x1 = 1 0 0 2 20 20 20 Then find a stable age distribution vector. x = t ↓ 1 Need Help? Read It SUBMIT ANSWER 3. [-/3 Points] DETAILS MY NOTES LARLINALG8 7.4.004. Use the age transition matrix L and age distribution vector X1 to find the age distribution vectors x2 and ×3. ill { ASK YOUR TEACHER PRACTICE ANOTHER ASK YOUR TEACHER PRACTICE ANOTHERarrow_forwardHere is data with as the response variable. x y54.4 19.124.9 99.334.5 9.476.6 0.359.4 4.554.4 0.139.2 56.354 15.773.8 9-156.1 319.2Make a scatter plot of this data. Which point is an outlier? Enter as an ordered pair, e.g., (x,y). (x,y)= Find the regression equation for the data set without the outlier. Enter the equation of the form mx+b rounded to three decimal places. y_wo= Find the regression equation for the data set with the outlier. Enter the equation of the form mx+b rounded to three decimal places. y_w=arrow_forwardPoints z1 and z2 are shown on the graph.z1 is at (4 real,6 imaginary), z2 is at (-5 real, 2 imaginary)Part A: Identify the points in standard form and find the distance between them.Part B: Give the complex conjugate of z2 and explain how to find it geometrically.Part C: Find z2 − z1 geometrically and explain your steps.arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_iosRecommended textbooks for you
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