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Use the table to answer the question.

Dataset Mean Standard Deviation
1 78 1.23
2 87
1.42

3 83 1.19
Which dataset has the least variability?

(1 point)
Dataset
has the lowest variability

1 answer

To determine which dataset has the least variability, we can compare the standard deviations since a lower standard deviation indicates less variability.

  • Dataset 1: Standard Deviation = 1.23
  • Dataset 2: Standard Deviation = 1.42
  • Dataset 3: Standard Deviation = 1.19

Comparing the standard deviations:

  • Dataset 1: 1.23
  • Dataset 2: 1.42
  • Dataset 3: 1.19

Dataset 3 has the lowest standard deviation of 1.19, indicating it has the least variability.

So, the answer is:

Dataset 3 has the lowest variability.