Tag | Value |
---|---|
file | Descriptive-statistics_uva-variance-631-en_uva-variance-631-en |
name | uva-variance-631-en |
section | Descriptive statistics/Summary Statistics/Measures of Spread/Variance |
type | schoice |
solution | FALSE, TRUE, FALSE, FALSE |
Type | Calculation |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 4.329 |
p-value | 0.0645 |
From each of two normally distributed populations with equal variances a sample is drawn.ÊÊÊ Sample 1: n = 8, mean = 18, sd = 3.4. Sample 2: n = 6, mean = 24, sd = 6.9. If we assume that the two population variances are equal, then the best estimator for the joint population variance