14. Group I consists of 12 people whose scores have a mean of 15.5 and a population...
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14. Group I consists of 12 people whose scores have a mean of 15.5 and a population variance estimate of 4.5. Group B also consists of 12 people:
M = 18.3, S2
= 3.5. Carry out a t test for independent means (two-tailed) and an analysis of variance (using the regular method of “Introduction to the Analysis of Variance”, not the structural model approach shown in the Advanced Topic section of that chapter), figuring the two on two halves of the same page, with parallel computations next to each other. (That is, make a table similar in layout to the lower part of Table 2.) Use the .05 level.
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