| A | B |
|---|
| Interquartile Deviation | In a frequency of percentage distribution, the two data values that cut off the middle 50% of all values |
| Standard Deviation | A measure of dispersion, the square root of the average squared deviation from the menu |
| Variance | The average squared deviation from the mean; the square oif the standard deviation |
| Symmetric Distribution | A frequency or percentage distribution that is perfectly balanced about its midpoint |
| Negatively Skewed Data | A frequency distribution that has a few extremely low numbers or data values that distort the menu |
| Asymmetric Distribution | A frequency or pcercentage distribution that is not perfectly balanced about its midpoint |
| Uniform Distribution | A frequency distribution in which each data value or set of valuew occurs with equal frequency |
| Average Deviation | The average difference between the mean and all ofther values in a set of data |
