Question
0 Let x be the average number of employees in a group health insurance plan, and...
0 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. Suppose a random
sample of employees gave the following information.
|
x |
2 |
8 |
14 |
32 |
73 |
|
y |
50 |
45 |
35 |
28 |
16 |
Compute r.
Group of answer choices
0.949
0.130
none of these choices
–0.130
–0.949
Homework Answers
Answer #1
The statistical software output for this problem is :
r = -0.949
Not the answer you're looking for?
Similar Questions
Let xbe the average number of employees in a group health insurance plan, and let y...
Let xbe the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims. Suppose a random
sample of employees gave the following information.
x
2
8
14
32
73
y
50
45
35
28
16
Given that the value of r is –0.949, should y
increase as xincreases, does the value of r imply
that y should tend to increase, decrease, or remain the
same? Explain.
Let xbe the average number of employees in a group health insurance plan, and let y...
Let xbe the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims. Suppose a random
sample of employees gave the following information.
x
2
8
14
32
73
y
50
45
35
28
16
As x increases, does the value of r imply that
y should tend to increase, decrease, or remain the same?
Explain.
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.)
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
36
73
y
40
35
30
28
16
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
Selection Tool
Line
Ray
Segment
Circle
Vertical Parabola
Horizontal Parabola
Point
No Solution
Help
5
10
15
20
25
30
35
40
45...
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
32
71
y
40
35
30
27
16
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
Selection Tool
Line
Ray
Segment
Circle
Vertical Parabola
Horizontal Parabola
Point
No Solution
Help
5
10
15
20
25
30
35
40
45...
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
36
70
y
40
35
30
28
17
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
strong and negativestrong and
positive moderate and negativemoderate
and positivelow and negativelow and positive
(c) Use a calculator to verify that Σx = 131,
Σx2 = 6479, Σy...
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
38
73
y
40
35
30
25
20
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
low and negativemoderate and
positive strong and negativestrong and
positivelow...
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
36
73
y
40
35
30
27
17
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
low and negative
strong and positive
moderate and negative
low and positive
strong and negative
moderate and positive
(c) Use a calculator to verify that Σx =...
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
70
y
40
35
30
27
16
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
Selection Tool
Line
Ray
Segment
Circle
Vertical Parabola
Horizontal Parabola
Point
No Solution
Help
5
10
15
20
25
30
35
40
45...
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.
(b) Would you say the correlation is low, moderate, or strong?
positive or negative?
low and positivemoderate and
negative strong and positivestrong and
negativelow...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 6 minutes ago
asked 9 minutes ago
asked 28 minutes ago
asked 28 minutes ago
asked 30 minutes ago
asked 43 minutes ago
asked 44 minutes ago
asked 51 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago