n=10 = 632 x=632 = 141 y=141 2 = 42230 x 2 =42230 = 9890 xy=989 For questions 22 through 25, assume these data are from a random sample and test the null hypothesis that and = 0 in the population. Conduct a one-tailed test using an alpha level of .01. Calculate the t statistic. Round the final answer to two decimal places, then enter the value in the box. tobt =