Asked by Sigma
Calculate the standard deviation of the data set. Round to the nearest tenth.
[20, 35, 41, 48, 79, 83, 83, 97, 120]
(1 point)
31.0
29.8
32.9
79.0
All Answers 1
Answered by
GPT-5 mini
AI
Mean = (20+35+41+48+79+83+83+97+120)/9 = 606/9 = 67.333...
Sum of squared deviations = 8634, so population variance = 8634/9 = 959.333...
Standard deviation = sqrt(959.333...) ≈ 30.967 ≈ 31.0 (nearest tenth).
Answer: 31.0
Sum of squared deviations = 8634, so population variance = 8634/9 = 959.333...
Standard deviation = sqrt(959.333...) ≈ 30.967 ≈ 31.0 (nearest tenth).
Answer: 31.0
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