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To investigate the tradeoff between time to work and time to sleep, the following equation is estimated: sleep 3,600+0.128totwrk -10.08educ+2.10age 6. (112.14) (0.016) n 700, R2 0.102 Standard errors are in the parentheses (1) Is either educ or age individually significant at the 5% level? Show your work (4.58) (1.35) (2) Dropping educ and age from the equation gives sleep 3,780-0.104totwrk (52.04) (0.012) 700, R2 0.099 n Are educ and age jointly significant in the original equation at the 5% level? Justify your answer

To investigate the tradeoff between time to work and time to sleep, the following equation is estimated: sleep 3,600+0.128totwrk -10.08educ+2.10age 6. (112.14) (0.016) n 700, R2 0.102 Standard errors are in the parentheses (1) Is either educ or age individually significant at the 5% level? Show your work (4.58) (1.35) (2) Dropping educ and age from the equation gives sleep 3,780-0.104totwrk (52.04) (0.012) 700, R2 0.099 n Are educ and age jointly significant in the original equation at the 5% level? Justify your answer

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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To investigate the tradeoff between time to work and time to sleep, the following equation is estimated: sleep 3,600+0.128totwrk -10.08educ+2.10age 6. (112.14) (0.016) n 700, R2 0.102 Standard errors are in the parentheses (1) Is either educ or age individually significant at the 5% level? Show your work (4.58) (1.35) (2) Dropping educ and age from the equation gives sleep 3,780-0.104totwrk (52.04) (0.012) 700, R2 0.099 n Are educ and age jointly significant in the original equation at the 5% level? Justify your answer
Transcribed Image Text:To investigate the tradeoff between time to work and time to sleep, the following equation is estimated: sleep 3,600+0.128totwrk -10.08educ+2.10age 6. (112.14) (0.016) n 700, R2 0.102 Standard errors are in the parentheses (1) Is either educ or age individually significant at the 5% level? Show your work (4.58) (1.35) (2) Dropping educ and age from the equation gives sleep 3,780-0.104totwrk (52.04) (0.012) 700, R2 0.099 n Are educ and age jointly significant in the original equation at the 5% level? Justify your answer
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