12) Look at the graph below. It is comparing x and y on a scatter plot. The graph suggests that 25 20 15 10 10 15 20 25 a) there is no relationship between x and y b) there is a relationship between x and y and it is positive c) there is a relationship between x and y and it is negative d) None of the answers is correct

12) Look at the graph below. It is comparing x and y on a scatter plot. The graph suggests that 25 20 15 10 10 15 20 25 a) there is no relationship between x and y b) there is a relationship between x and y and it is positive c) there is a relationship between x and y and it is negative d) None of the answers is correct

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Description: 12) Look at the graph below. It is comparing x and y on a scatter plot. The graph suggests thaty2520151010152025a) there is no relationship between x and yb) there is a relationship between x and y and it is positivec) there is a relationship betwee

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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xx=02
B) has more than one answer .. Thank you
The outlier(s) in the data set 10, 17, 20, 21, 27, 22, 25, 24, 40 is (are) O a. 27 and 40 O b. 10 and 40 O c. 10 and 17 O d. 10 Ое. 40
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) 11 12 12 13 15 13 16 12 18 17 20 19 22 21 24 20 Plot the points in the grid below, then sketch a line that best fits the data. 32+ Q2 28 24 20- 16 12 4 QI 12 16 20 24 28 32 Clear All Draw: Use the line above to predict the value of the second quiz score if a student had a score of 28 on the first test. (Please enter a whole number)
Consider the following ordered data. 8 8 8 9 9 10 11 11 12 15 16 18 A) Find the low, Q1, median, Q3, and high. b) Find the interquartile range. C) Make a box-and-whisker plot.
a. The line that is closest to the points and its direction tells the direction of correlation that exists between the variables.trendlinescatterplotcartesian planefrequency polygon b. The following statements are true EXCEPT:A positive correlation exists when high values of one variable correspond to high values in the other variable.A negative correlation exists when high values in one variable corresponds to low values in one variable.A zero correlation exists when high values in one variable corresponds to neither high or low values in the other varA positive correlation exist when low values of one variable corresponds to low values in the other variable. c. The important numerical value in hypothesis testing isparametersample valueconclusioninterpretationd. Which of the following best represents a set of numerical data?meanproportionvariancerangee. In the analysis of a scatterplot, the element/s that should be considereddirectionstrength of correlationboth direction and…
Direction: Answer the following questions and graph. 1. Suppose there are 10, 000 test takers of the IQ test where the mean w=100 and Ihe slarndard devialion o=16. a) What are the raw scores that correspond to each of the following z scores? T. zl 2. 7=-1 3. 2=2 1. z 2 b) How many scores are Ihere above 84?
5. Suppose that 25 students in a science class took a test. Using the box-and-whisker plot of the test scores below, answer the following questions. A. Determine whether the statement is true (T) or false (F). Science Test Scores a) The mean of the scores is 81. b) The mean of the scores is 78.6. c) About 50% of the students received a score of 81. d) More than 50% of the students received a score above 73. 54 73 81 90 95 + 40 50 60 70 80 90 100 GFreemathresource.com Answer: a) b) c) d) B. If a student received a score of 10 instead of 54, would it more heavily influence the mean or the median? Мean Median C. If a student received a score of 10 instead of 54, the standard deviation would be most likely: Smaller Larger Little Changed
What is the answer of the question 4,5,6 and 7?
2) Here are some data on height (in meters) of mature sycamore trees. Construct a boxplot of these data. Do not use R: 24.8 15.1 33.2 31.3 26.0 23.8 36.9 15.7 35.2 17.6 23.6 31.4 52.2
Bookstore sales Consider the following data froma small bookstore.a) Prepare a scatterplot of Sales against Number of salespeople working.b) What can you say about the direction of theassociation?c) What can you say about the form of the relationship?d) What can you say about the strength of therelationship?e) Does the scatterplot show any outliers?
2) Let x represent the average annual hours per person spent in traffic delays and y represent the average annual gallons of fuel wasted per person in traffic delays. A random sample of 8 cities showed the following data: X Y 28 jo 48 5 12 3 20 34 35 ZD 25 20 34 23 30 35 40 38 18 a) Draw a scatter plot diagram and the line that you think that best fits the data 60%" so: Ave Gallons 40 30 28 5 Five. Hours Delay 9 b) Would you say the correlation is positive, negative or close to zero?