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Math·Problem-Solving and Data Analysis·One-variable data: Distributions and measures of center and spread
mediumTable A
| Value | Frequency |
|---|---|
| 1 | 4 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 4 |
Table B
| Value | Frequency |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 6 |
| 6 | 3 |
| 7 | 2 |
| 8 | 1 |
Table C
| Value | Frequency |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 3 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
Table D
| Value | Frequency |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 4 |
| 7 | 2 |
| 8 | 1 |
| 9 | 1 |
Which of these frequency tables represents the data set with the smallest standard deviation?
A
Table A
B
Table B
C
Table C
D
Table D