Exercises
Mix and Match
Match the brief description to the item or value.
| 1. Position of a peak in the histogram | (a) median |
| 2. Half of the cases are smaller than this value | (b) mean |
| 3. Length of the box in the boxplot | (c) standard deviation |
| 4. Proportion of cases lying within the box of the boxplot | (d) variance |
| 5. A histogram with a long right tail | (e) z-score |
| 6. The average of the values of a numerical variable | (f ) two-thirds |
| 7. The average squared deviation from the average | (g) mode |
| 8. The square root of the variance | (h) interquartile range |
| 9. The number of standard deviations from the mean | (i) one-half |
| 10. Proportion of a bell-shaped distribution within 1 SD of | (j) skewed |
True/False
Mark each statement ...
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