| Tag | Value |
|---|---|
| file | Inferential_Statistics_uva-paired-samples-1824-en_uva-paired-samples-1824-en |
| name | uva-paired-samples-1824-en |
| section | Inferential Statistics/Parametric Techniques/t-test/Paired samples |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 4.756 |
| p-value | 0.0124 |
Of 19 subjects, before and after a given effort of force, the heart rate is measured. We want to test whether the average heart rate before and after the effort is equal. Of the 19 differences between pre- and post-measurement the mean is 19 and the standard deviation is 34. The value of the test size of the paired T test is then