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ACTIVITY 5.7.1: Hypothesis test for the difference between two population mealis. V Jump to level 1 1 The mean voltage and standard deviation of 9 batteries from each manufacturer were 2 measured. The results are summarized in the following table. Manufacturer Sample mean voltage (millivolts) |Sample standard deviation A 117 3 B 114 2 What type of hypothesis test should be performed? |Select What is the test statistic? Ex: 0.123 What is the number of degrees of freedom? Ex: 25 Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the a = 0.1 significance level? Select v 2