The mean yoltage and standard deyiation of 6 batteries from each manufacturer were measured. The results are summarized in the following table. Sample mean Population standard yoltagef (milliyottsj deviationf milliyotts] What type of hypothesis test should be performed_ What is the test statistic? Es: 1123 What is the number of degrees of freedom'?I EH: 25 Does sufficient eyidence exist to support the claim that the yoltage of the batteries made by the two manufacturers is different at the or = 0.05 significance leyel'?I