Metainformation
| Tag | Value |
|---|---|
| file | Inferential_Statistics_uva-independent-samples-means-312-en_uva-independent-samples-means-312-en |
| name | uva-independent-samples-means-312-en |
| section | Inferential Statistics/Parametric Techniques/t-test/Independent samples means |
| type | schoice |
| solution | FALSE, TRUE, FALSE, FALSE |
| Type | Conceptual, Interpreting output |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 3.836 |
| p-value | 0.1496 |
Question
For an experiment on the effectiveness of an assistance program for self-efficacy in the elderly, people are randomly assigned to a control or treated group. The SPSS output below includes a test on equality of mean age. At a two-sided risk of 5% the conclusion of this t-test for equality of means should read:
- FALSE: Population averages are unequal
- TRUE: Population averages could be equal
- FALSE: Sample averages are unequal
- FALSE: Sample averages could be equal
- Population averages are unequal: Incorrect
- Population averages could be equal: Correct
- Sample averages are unequal: Incorrect
- Sample averages could be equal: Incorrect