| Tag | Value |
|---|---|
| file | Descriptive-statistics_uva-variance-550-en_uva-variance-550-en |
| name | uva-variance-550-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 | 3.639 |
| p-value | 0.1795 |
Given that y is a stochastic variable with mean 50 and sd 6. The variance of 2y is then equal to