Sketch the scatter plot using the table of bivariate data below. Describe the association between the variables.XON O8230 00849y5004643

The data table provided in the question is as follows : x y 8 5 2 8 6 4 3 5 8 6 4 4…

Answered: Sketch the scatter plot using the table…

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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Find the value of the linear correlation coefficient r.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands) Cost 8 4 3 2 3 6 10 9 Number 84 54 55 68 67 86 83 70
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Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. x 3 7 15 32 75 y 40 35 30 26 18 (a) Make a scatter diagram of the data and visualize the line you think best fits the data. Flash Player version 10 or higher is required for this question. You can get Flash Player free from Adobe's website. (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and negative moderate and negative strong and positive low and negative low and positive moderate and positive (c) Use a calculator to verify that Σx = 132, Σx2 = 6932, Σy = 149, Σy2 = 4725, and Σxy = 2997. Compute r. (Round your answer to three decimal places.)r = As x increases, does the value of r imply that y should tend to increase or decrease? Explain. Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. Given our value of r, y should tend to…
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Sketch the scatter plot using the table of bivariate data below. Describe the association between the variables. Xx 8 2 6 3 8 004 y 5 48 5 64 9 3