11. In the preceding problem, the three sample means we close together and there are no simeficant mean differences. To construct the following dum, we Started with the scores in problemi 10, then increased the size of the mean differences. Specifically, we Inwered the antallest menn by subtracting 2 points from cach score in treatment I, and we increased the largest mean by adding 2 points to cach score in treatment III. Asa result, the three sample means are now much more spread out

a. Use an ANOVA with a - 05 to determine whether there are any significant differences among the three treatments. Compare the outcome with die"
results in problem 10.
h, Compute " for these data, Compare the outcome With the result from problem 10 Treatment 1 = 7 N= 12 7 0-60 6 6 EX: - 408 M-2M-5 M-8 7 - 8 7-20 7- 32 SS - 16 SS - 10 53- 10