Question
Let x be the average number of employees in a group health insurance plan, and let...
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 | 34 | 74 |
| y | 40 | 35 | 30 | 28 |
16 |
Use a calculator to verify that Σx = 133, Σx2 = 6915, Σy = 149, Σy2 = 4765, and Σxy = 2951. Compute r. (Round your answer to three decimal places.)
Homework Answers
Answer #1
therefore, r = -0.966 (up to 3
decimal places)
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Let x be the average number of employees in a group health insurance plan, and let...
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30
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Submission Data
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
strong and negativelow and
positive low and negativestrong...
Let x be the average number of employees in a group health insurance plan, and let...
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
37
72
y
40
35
30
28
17
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
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positive or negative?
low and positivemoderate and
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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
40
70
y
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30
28
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(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
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(a) Make a scatter diagram of the data and visualize the line
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25
30
35
40
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