T-Statistics
Numeric results for several
independent-samples t tests are presented here. Decide whether each test is
statistically significant, and report each result in the standard APA format.
a. A total of 73 people were
studied, 40 in one group and 33 in the other group. The test statistic was
calculated as 2.126 for a two-tailed test with a p level of 0.05.
b. One group of 23 people was
compared to another group of 18 people. The t statistic obtained for their data
was 1.77. Assume you were performing a two-tailed test with a p level of 0.05.
c. One group of 9 mice was
compared to another group of 6 mice, using a two-tailed test at a p-level of
0.01. The test statistic was calculated as 3.02.
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