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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.

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.

A First Course in Probability (10th Edition)
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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42. Independent random samples are selected from two populations. Below are selected summary statistics. Pop. Mean Stand. Dev. Sample size 1 62.00 10.00 17 2 54.00 6.00 10 (a) Construct the 95% confidence interval for Hx - HY. (b) Obtain the P-value for the alternative µx + HY. 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 y = 52. 60 and (a) Calculate Racheal's predicted value, ŷ. (b) Calculate Racheal's residual.
Transcribed Image Text:42. Independent random samples are selected from two populations. Below are selected summary statistics. Pop. Mean Stand. Dev. Sample size 1 62.00 10.00 17 2 54.00 6.00 10 (a) Construct the 95% confidence interval for Hx - HY. (b) Obtain the P-value for the alternative µx + HY. 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 y = 52. 60 and (a) Calculate Racheal's predicted value, ŷ. (b) Calculate Racheal's residual.
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