Answered: A researcher investigated whether the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A researcher investigated whether the temperature of milk, x, can be used to predict the milk's pH content, y. She predicted the pH level of a glass of milk with a temperature of 8.45 degrees to be ŷ= 6.795.

True or False: The prediction interval for the pH of a glass of milk whose temperature is 8.45 degrees is wider than the confidence interval for the mean pH of all glasses of milk whose temperature is 8.45 degrees.

Expert Solution

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In this context, it is given that The prediction interval for the pH of a glass of milk whose temperature is 8.45 degrees which is wider than the confidence interval for the mean pH of all glasses of milk whose temperature is 8.45 degrees.

If a glass of milk with a temperature of 8.45 degrees is randomly selected, then it can be said with 95% confidence that the interval (6.71, 6.88) would hold the true pH level of the glass of milk.

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