### Quartile, Percentile, Range, Mid-Range, Descriptive Statistics, Measures of Central Tendency, Chebyshev's Theorem, Empirical Rule, Scatter Plot, Correlation and Regression, Z-Score.

1. For a particular sample of 50 scores on a psychology exam, the following results were obtained. First quartile = 39 Third quartile = 71 Standard deviation = 10 Range = 62 Mean = 62 Median = 61 Mode = 68 Midrange = 69 Answer each of the following; show all work. - What score was earned by more students