| Tag | Value |
|---|---|
| file | Descriptive-statistics_uva-standard-deviation-817-en_uva-standard-deviation-817-en |
| name | uva-standard-deviation-817-en |
| section | Descriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation |
| type | schoice |
| solution | FALSE, FALSE, TRUE |
| Type | Calculation |
| Language | English |
| Level | Statistical Literacy |
| IRT-Difficulty | 3.31 |
| p-value | 0.2378 |
On a given exam, the mean grade equals 7.0 with a variance equal to 1.21. Someone with a grade of 8.5 then has a z-score equal to