Reference no: EM132643178

1) With α = .05 and a sample of nta. t = +/- 2.228b. +/- 1.812c. +/- 1.796d. +/- 2.201 = 12 participants in a within-subjects study comparing two treatments, the two-tailed critical region for the statistic has boundaries of

2) GRE scores of 15 male engineering students were compared with those of 15 female engineering students. The appropriate design for comparing these two groups to each other is a 

a. between-subjects design

b. repeated-measures design

c. single-subject design

d. within-subjects design

3) The assumptions of the t test for dependent samples are the same as those for the t test for independent samples EXCEPT for the requirement

a. of homogeneity of variance

b. that each score in one sample be paired with a particular score in the other sample

c. that the population represented by either sample forms a normal distribution

d. that the dependent variable be measured on an interval or a ratio scale