Tag | Value |
---|---|
file | Descriptive-statistics_uva-variance-800-en_uva-variance-800-en |
name | uva-variance-800-en |
section | Descriptive statistics/Summary Statistics/Measures of Spread/Variance |
type | schoice |
solution | FALSE, FALSE, TRUE |
Type | Conceptual |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 3.707 |
p-value | 0.1717 |
The within and between-groups variance both estimate the standard deviation of the groups. These two variances are approximately the same in the sample approximately equal if ‘A’ the standard deviations of the populations (groups) are equal and ‘B’ the null hypothesis stating that the averages of the populations (groups) are equal is TRUE.