| Tag | Value |
|---|---|
| file | Descriptive-statistics_uva-variance-625-en_uva-variance-625-en |
| name | uva-variance-625-en |
| section | Descriptive statistics/Summary Statistics/Measures of Spread/Variance |
| type | schoice |
| solution | FALSE, FALSE, FALSE, TRUE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 3.833 |
| p-value | 0.1501 |
From each of two normally distributed populations with equal variances a sample is drawn. For the first sample, n = 4, s² = 30, for the second, n = 6, s² = 20. The best estimator for the joint population variance is