Question: n a hypothesis test, the claim is 25 while the sample of 34 has a mean of 21 and a standard deviation of 5.9. In

n a hypothesis test, the claim is 25 while the sample of 34 has a mean of 21 and a standard deviation of 5.9. In this hypothesis test, would a z test statistic be used or a t test statistic and why?

t test statistic would be used as the sample size is less than 30

t test statistic would be used as the standard deviation is less than 10

z test statistic would be used as the mean is greater than 30

z test statistic would be used as the sample size is greater than 30

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