The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 7 - Exploring Data: Part I Review - Test Yourself - Page 193: 7.36c

Answer

Replacing x in the regression line and evaluating: $ŷ = 9.7525 + 86.5138x\\ = 9.7525 + 86.5138 (0.99)\\ = 95.401$ This prediction is unreliable because x = 0.99 is not within the range of given values for introspective ability.

Work Step by Step

Replacing x in the regression line and evaluating: $ŷ = 9.7525 + 86.5138x\\ = 9.7525 + 86.5138 (0.99)\\ = 95.401$ This prediction is unreliable because x = 0.99 is not within the range of given values for introspective ability.
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