Data Set 9-2: Scores: 1, 2, 3, 4, 5 -The t value when the scores in Data Set 9-2 are tested against H₀: $\mu$ = 4.00 leads to the conclusion that the null hypothesis should be A) rejected at the .05 level for a two-tailed test B) rejected at the .05 and .01 level for a two-tailed test C) rejected at the .05 level for a one-tailed test D) retained.

Question

Quizplus · Accepted Answer

The mean of the data set is 3, which is not significantly different from 4 at the .05 level for a two-tailed test given the small sample size and variability.

Data Set 9-2: Scores: 1, 2, 3, 4, 5 -The μ\muμ

Data Set 9-2: Scores: 1, 2, 3, 4, 5
-The $\mu$