We want to test whether the average working hour per week is 40 in New York, and collect 1000 workers' working time in New York, what kind of distribution we will use to this hypothesis test?
A.F-Distribution
B.Chi-Squared Distribution
C.Student t-Distribution
D.Normal Distribution
In the above hypothesis test in Q1, t-statistics test reject the null hypothesis, 40 is not within the confidence interval, but p value is smaller than the significance level alpha, how to explain this inconsistency?
A.The dataset collected has low quality
B.Sample size is to large
C.Mistake in calculation when do the hypothesis test
D.Sample size is to small