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20 10 20 30 40 50 60 70 x (average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? O strong and positive O moderate and positive low and positive O strong and negative O moderate and negative O low and negative (c) Use a calculator to verify that Ex = 133, Ex = 6693, Ey = 151, Ey- 4815, and Exy - 3163. Compute r. (Round your answer to four decimal places.) r3= As x increases, does the value of r imply that y should tend to increase decrease? Explain. O Given our value of r, y should tend to decrease as x increases. O Given our value of r, y should tend to remain constant as x increases. O Given our value of r, y should tend to increase as x increases. O Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. y (aver as per

20 10 20 30 40 50 60 70 x (average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? O strong and positive O moderate and positive low and positive O strong and negative O moderate and negative O low and negative (c) Use a calculator to verify that Ex = 133, Ex = 6693, Ey = 151, Ey- 4815, and Exy - 3163. Compute r. (Round your answer to four decimal places.) r3= As x increases, does the value of r imply that y should tend to increase decrease? Explain. O Given our value of r, y should tend to decrease as x increases. O Given our value of r, y should tend to remain constant as x increases. O Given our value of r, y should tend to increase as x increases. O Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. y (aver as per

MATLAB: An Introduction with Applications
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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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. 3. 15 37 71 y 40 35 30 27 19 n USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 40 40 40 35 35 35 30 30 25 25 25 10 20 30 40 50 60 70 10 20 30 40 50 60 60. 70 70 10 20 30 40 50 X (average number X (average number X (average number of employees) of employees) of employees) 40 35 30 25 10 20 30 40 50 60 70 X(average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and positive ManRook Dro y (average cost y (average cost as percentage) as percentage) 20 20 30 y (average cost as percentage) 20 y (average cost as percentage) 20
Transcribed Image Text: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. 3. 15 37 71 y 40 35 30 27 19 n USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 40 40 40 35 35 35 30 30 25 25 25 10 20 30 40 50 60 70 10 20 30 40 50 60 60. 70 70 10 20 30 40 50 X (average number X (average number X (average number of employees) of employees) of employees) 40 35 30 25 10 20 30 40 50 60 70 X(average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and positive ManRook Dro y (average cost y (average cost as percentage) as percentage) 20 20 30 y (average cost as percentage) 20 y (average cost as percentage) 20
30 25 20 10 20 30 40 50 60 70 x (average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and positive moderate and positive low and positive strong and negative moderate and negative low and negative (c) Use a calculator to verify that Ex = 133, Ex = 6693, Ey = 151, Ey² = 4815, and Exy = 3163. Compute r. (Round your answer to four decimal places.) %3D = As x increases, does the value of r imply that y should tend to increase or decrease? Explain. Given our value of r, y should tend to decrease as x increases. Given our value of r, y should tend to remain constant as x increases. Given our value of r, y should tend to increase as x increases. Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. Need Help? Read It Watch It y (average c as percenta,
Transcribed Image Text:30 25 20 10 20 30 40 50 60 70 x (average number of employees) (b) Would you say the correlation is low, moderate, or strong? positive or negative? strong and positive moderate and positive low and positive strong and negative moderate and negative low and negative (c) Use a calculator to verify that Ex = 133, Ex = 6693, Ey = 151, Ey² = 4815, and Exy = 3163. Compute r. (Round your answer to four decimal places.) %3D = As x increases, does the value of r imply that y should tend to increase or decrease? Explain. Given our value of r, y should tend to decrease as x increases. Given our value of r, y should tend to remain constant as x increases. Given our value of r, y should tend to increase as x increases. Given our value of r, we cannot draw any conclusions for the behavior of y as x increases. Need Help? Read It Watch It y (average c as percenta,
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