Making a decision: Numeric Results for several independant-sample t tests are presented here. Decide

| August 30, 2017

Question
Making a decision: Numeric Results for several independant-sample t tests are presented here. Decide whether each test is statistically significant and report each result in 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 2.13 for a two- tailed test witha plevel 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 plevel of 0.05.

c. One group of nine mice was compared to another group of six 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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