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An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 91 batteries from each manufacturer were measured. The population standard deviations of the voltage for each manufacturer are known. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) Population standard deviat A 119 2 118 4 What type of hypothesis test should be performed? Select What is the test statistic? Ex: 0.12E Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? Select

An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 91 batteries from each manufacturer were measured. The population standard deviations of the voltage for each manufacturer are known. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) Population standard deviat A 119 2 118 4 What type of hypothesis test should be performed? Select What is the test statistic? Ex: 0.12E Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? Select

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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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An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 91 batteries from each manufacturer were measured. The population standard deviations of the voltage for each manufacturer are known. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) Population standard deviat A 119 2 118 4 What type of hypothesis test should be performed? Select What is the test statistic? Ex: 0.12E Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? Select
Transcribed Image Text:An electrician wants to know whether batteries made by two manufacturers have significantly different voltages. The voltage of 91 batteries from each manufacturer were measured. The population standard deviations of the voltage for each manufacturer are known. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) Population standard deviat A 119 2 118 4 What type of hypothesis test should be performed? Select What is the test statistic? Ex: 0.12E Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.05 significance level? Select
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