click below
click below
Normal Size Small Size show me how
Unit 3 Part 4A
Measures of Center
| Definition | Term |
|---|---|
| find the sum (+) of the data values and then divide (÷) by the number of values in the data set (a measure of center) | mean |
| the middle number in an ordered data set (if two numbers are in the middle find the mean of those two numbers) (a measure of center) | median |
| the item(s) in a data set that occurs most frequently; there can be one, more than one, or none (a measure of center) | mode |
| the difference (-) between the greatest and least values in a data set (a measure of variability) | range |
| the greatest number in a data set | maximum |
| the least number in a data set | minimum |