A sample was taken of the salaries of 20 employees of a large company. The following is a boxplot of the salaries (in thousands of dollars) for this year. Based on this boxplot, which of the following statements is TRUE?80The interquartile range is about $20,000.The range of the salaries is about $75,000.The minimum salary is $20,000.The median salary is about $40,000.

A boxplot shows the five-number summary of a set of data: Min, first quartile, median, third…

Answered: A sample was taken of the salaries of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs.William's class scored 61 points. Mr. Adams class earned 48 points. Mrs. Brown's class earned 50 and Mrs.Daniel's class earned 50. Determine the mean, median, mode and range of the number of points scored.
A polling company reported that 19% of 1018 surveyed adults said that secondhand smoke is "quite annoying." Complete parts (a) through (d) below. a. What is the exact value that is 19% of 1018? The exact value is. (Type an integer or a decimal.)
Holiday Blues. A poll was conducted by Opinion Research Corporation to estimate the proportions of men and women who get the “holiday blues.” Identify the a. specied attribute.b. two populations.c. two population proportions.d. two sample proportions.e. According to the poll, 34% of men and 44% of women get the “holiday blues.” Are the proportions 0.34 and 0.44 sample proportions or population proportions? Explain your answer.
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Directions: Answer each of the questions below and show work. Write down the computations you do. Ten FBI agents get together and compare their annual salaries. They are $45,000, $48,000, $49,000, $55,000, $63,000, $64,000, $65,000, $70,000, $75,000, $120,000. A. Compute the mean and median salaries. Be sure to show your work, and answer with a sentence. B. A data point that is very different from other data points is called an outlier. Which of these data points could be considered an outlier? What effect will this outlier have on the mean? C. Compute the mean again, but this time leave out the outlier. How does this number compare to the number you found in question 1?
Some students conducted a survey on some people's weekly income: $900, $900, $1300, $1200, $125600, $1200 The mean of these people's weekly income is The median of these people's weekly income is Which number, mean or median, is a better way to represent these people's weekly income? mean median
Find the median of the set of numbers 11 25 18 79 12 13
Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in a class have red hair.
(a) What is the median starting salary? 41,41,55,45,42,39,38,44,42,32 The median starting salary is: $ thousands of dollars(b) Which of the following would you use to display the data?A. pie chartB. contingency tableC. histogramD. bar graph
A researcher is interested in the social media habits of American teenagers. The goal of the research is to determine the average number of hours each day that the entire group of American teenagers spend watching television. The researcher is trying to determine a number that is an example of a ?? A researcher is studying the behavior of American prisoners. The entire group of American prisoners is an example of a ?? A researcher is interested in mental health outcomes for US College students. If she obtained Depression Inventory scores for a group of college students, the mean score would be an example of a ??
The low temperatures in the Town of Rigby for 5 conservative days were -12, -17,-11,-12,-18 what was the mean low temperature for five days
A company has 30 employees, including a director. The lowest salary among the 30 employees is $22,000. The director’s salary is $180,000, which is more than twice as much as anyone else’s salary. Decide for each of the following statements about the 30 salaries whether it is true, false, or you cannot tell on the basis of the information at hand. • The median salary is below $60,000.• The average salary is below $60,000.• If all salaries are increased by $1,000, that adds $1,000 to the average.• If the director’s salary is doubled, and all other salaries remain the same, that increases the average salary.• If the director’s salary is doubled, and all other salaries remain the same, that increases the median salary.• The standard deviation of the salaries is larger than $180,000

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