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Math·Problem-Solving and Data Analysis·One-variable data: Distributions and measures of center and spread
mediumEach of the following frequency tables represents a data set. Which of these frequency tables represents the data set with the smallest standard deviation?
A
| Value | Frequency |
|---|---|
| 4 | 2 |
| 5 | 8 |
| 6 | 40 |
| 7 | 8 |
| 8 | 2 |
B
| Value | Frequency |
|---|---|
| 4 | 10 |
| 5 | 10 |
| 6 | 10 |
| 7 | 10 |
| 8 | 10 |
C
| Value | Frequency |
|---|---|
| 4 | 20 |
| 5 | 5 |
| 6 | 5 |
| 7 | 5 |
| 8 | 20 |
D
| Value | Frequency |
|---|---|
| 4 | 1 |
| 5 | 5 |
| 6 | 10 |
| 7 | 25 |
| 8 | 19 |