44. A regression analysis yields the line ý = 32 + 0.4x. One of the subjects, Racheal, has x = 60 and y = 52. (a) Calculate Racheal's predicted value, ĝ. (b) Calculate Racheal's residual.
44. A regression analysis yields the line ý = 32 + 0.4x. One of the subjects, Racheal, has x = 60 and y = 52. (a) Calculate Racheal's predicted value, ĝ. (b) Calculate Racheal's residual.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Question
Correct explanation.44
![42. Independent random samples are selected from
two populations. Below are selected summary
statistics.
Рop.
Mean Stand. Dev. Sample size
1
62.00
10.00
17
54.00
6.00
10
(a) Construct the 95% confidence interval for
µx - HY.
(b) Obtain the P-value for the alternative
µx # µy. Show your work. You will re-
ceive no credit for simply reporting your
answer.
43. Independent random samples are selected from
two populations. Below are selected summary
statistics.
Pop. Mean Stand. Dev. Sample size
1
73.00
10.00
14
2
62.50
6.00
8
(a) Construct the 95% confidence interval for
Hx – Hy.
(b) Obtain the P-value for the alternative
µx + µY.
44. A regression analysis yields the line
ŷ = 32 + 0.4x.
One of the subjects, Racheal, has x = 60 and
y = 52.
(a) Calculate Racheal's predicted value, ŷ.
(b) Calculate Racheal's residual.
45. A regression analysis yields the line
ŷ = 18 + 0.25x.
One of the subjects, Mary, has x = 40 and y
32.
(a) Calculate Mary's predicted value, ĝŷ.
(b) Calculate Mary's residual.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b9bae7c-2ec5-42a5-88c4-f4174da55d42%2F64242d4e-4172-4041-9629-29e85847329e%2Fiu8trxc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:42. Independent random samples are selected from
two populations. Below are selected summary
statistics.
Рop.
Mean Stand. Dev. Sample size
1
62.00
10.00
17
54.00
6.00
10
(a) Construct the 95% confidence interval for
µx - HY.
(b) Obtain the P-value for the alternative
µx # µy. Show your work. You will re-
ceive no credit for simply reporting your
answer.
43. Independent random samples are selected from
two populations. Below are selected summary
statistics.
Pop. Mean Stand. Dev. Sample size
1
73.00
10.00
14
2
62.50
6.00
8
(a) Construct the 95% confidence interval for
Hx – Hy.
(b) Obtain the P-value for the alternative
µx + µY.
44. A regression analysis yields the line
ŷ = 32 + 0.4x.
One of the subjects, Racheal, has x = 60 and
y = 52.
(a) Calculate Racheal's predicted value, ŷ.
(b) Calculate Racheal's residual.
45. A regression analysis yields the line
ŷ = 18 + 0.25x.
One of the subjects, Mary, has x = 40 and y
32.
(a) Calculate Mary's predicted value, ĝŷ.
(b) Calculate Mary's residual.
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