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Name: A company claims that the mean weight of a certain type of chocolate b
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Description: A company claims that the mean weight of a certain type of chocolate bar they manufacture is 105 grams. A quality inspector would like to check whether this claim is correct. She takes a random sample of 74 chocolate bars and measures the weight of e

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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A company claims that the mean weight of a certain type of chocolate bar they manufacture is 105 grams. A quality inspector would like to check whether this claim is correct. She takes a random sample of 74 chocolate bars and measures the weight of each bar using precision scales. The sample mean of the weights turns out to be 105.170 grams and the sample standard deviation is 0.912 grams. The inspector wishes to conduct a test at the .10 level of significance to determine whether these results provide evidence that the true mean weight is different from what the company claims. Calculate the p- value of the test. (Provide your answer as a number rounded to 4 decimals.)

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