A study by researchers addressed the question of whether the mean body temperature of humans is 98.6◦F. Another researcher challenged this conclusion by conducting a separate study, where he obtained the body temperatures of 93 healthy humans, and got sample mean of 97.8◦F At the 1% significance level, do the data provide sufficient evidence to conclude that the mean body temperature of healthy humans differs from 98.6◦F? Assume that σ = 0.63◦F.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
Problem 4GP
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A study by researchers addressed the question of whether the mean body temperature of humans is 98.6◦F. Another researcher challenged this conclusion by conducting a separate study, where he obtained the body temperatures of 93 healthy humans, and got sample mean of 97.8◦F

At the 1% significance level, do the data provide sufficient evidence to conclude that the mean body temperature of healthy humans differs from 98.6◦F? Assume that σ = 0.63◦F.

 

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