Determine the equation of the least squares regression line to predict y from the following data. a.

Question:

Determine the equation of the least squares regression

line to predict y from the following data.

a. Construct a 95% confidence interval to estimate the mean y value for x = 60.
b. Construct a 95% prediction interval to estimate an individual y value for x = 70.
c. Interpret the results obtained in parts (a) and (b).

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Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Question Posted: Mar 19, 2013 05:50 AM

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Determine the equation of the least squares regression line to predict y from the following data. a.

Question:

x 47 94 68 73 80 49 52 61 y 14 40 34 31 36 19 20 21

Step by Step Answer:

a x 0 60 x 524 x 2 36224 y 215 y 2 6411 b 1 5481 xy 15125 n 8 b 0 9026 s e 3201 95 Confidence Interv...View the full answer

Business Statistics for Contemporary Decision Making

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