Question 4 10 pts In a study of online vs. in-person statistics courses, a researcher wishes to test the claim that the average student grade for online stats courses is the same as the average student grade for in-person stats courses. To test this claim 60 online student's grades are randomly selected, with an average of 87.2 and a standard deviation of 4.67. In addition, 70 in-person student's grades are randomly selected, with an average of 85.0 and a standard deviation of 5.43. Based on this data, and using an alpha-0.01, answer the following questions. The left critical value- no left value, enter "na") The right critical value= no right value, enter "na") (round to 2 decimals - if there is (round to 2 decimals-there is The test statistic- The result of the hypothesis test is "fail to reject H0") Is the claim supported? (round to 2 decimals) (enter "reject HO" or (enter "yes" or "no")