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Jump to level 1 Sample mean Population standard voltage (millivolts) deviation(millivolts) Manufacturer 125 5 118 What type of hypothesis test should be performed? Twotailed z-test

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Jump to level 1 Sample mean Population standard voltage (millivolts) deviation(millivolts) Manufacturer 125 5 118 What type of hypothesis test should be performed? Twotailed z-test v What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? EX: 25 Does sufcient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the or = 0.1 signicance level? Select V :2: Feedback

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