Suppose that you are testing the null hypothesis H 0 : = 100 against H a : 100 based on a random sample of nine observations from a normal...

Suppose that you are testing the null hypothesis H0: µ = 100 against Ha: µ < 100 based on a random sample of nine observations from a normal population. The data from the sample give a mean of 98 and a standard deviation of 3. What is the value of the t statistic?