A researcher wants to test the hypothesis that the mean weight of packages delivered by a certain courier service is equal to 10 pounds. They randomly select 30 packages and find that the mean weight is 9.8 pounds with a standard deviation of 1.5 pounds. At a significance level of 0.05, can the researcher reject the null hypothesis?
A researcher wants to test the hypothesis that the mean weight of packages delivered by a certain courier service is equal to 10 pounds. They randomly select 30 packages and find that the mean weight is 9.8 pounds with a standard deviation of 1.5 pounds. At a significance level of 0.05, can the researcher reject the null hypothesis?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A researcher wants to test the hypothesis that the mean weight of packages delivered by a certain courier service is equal to 10 pounds. They randomly select 30 packages and find that the mean weight is 9.8 pounds with a standard deviation of 1.5 pounds. At a significance level of 0.05, can the researcher reject the null hypothesis?
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