What is the variance (s²) for this set of data? 5, 9, 13, 17 A) 11.00 B) 5.16 C) 26.67 D) 20.00

Name: What is the variance (s 2 ) for this set of data? 5, 9, 13, 17 A) 11.00 B) 5.16 C) 26.67 D) 20.00
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Quizplus · Accepted Answer

To find the variance, first calculate the mean: (5+9+13+17)/4 = 11. Then, find the squared differences from the mean: (5-11)², (9-11)², (13-11)², (17-11)² which are 36, 4, 4, 36. The variance is the average of these squared differences: (36+4+4+36)/4 = 20.

What Is the Variance (S2) for This Set of Data

What Is the Variance (S²) for This Set of Data