Tag | Value |
---|---|
file | Descriptive-statistics_uva-variance-210-en_uva-variance-210-en |
name | uva-variance-210-en |
section | Descriptive statistics/Summary Statistics/Measures of Spread/Variance |
type | schoice |
solution | FALSE, FALSE, TRUE |
Type | Calculation |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 3.988 |
p-value | 0.1264 |
For the probability variable X, Var(X) = 3. A new probability variable W is created using the formula W = 2X. The variance of W, Var(W), is now