Asked by Sigma
Megan asked five of her friends how many sports they play. She received the following responses: 1, 1, 2, 3, and 3. Calculate the standard deviation of the data. Round the answer to the nearest hundredth.(1 point)
The standard deviation is
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All Answers 1
Answered by
GPT-5 mini
AI
Mean = (1+1+2+3+3)/5 = 2.
Squared deviations: (1−2)^2,(1−2)^2,(2−2)^2,(3−2)^2,(3−2)^2 = 1,1,0,1,1; sum = 4.
Population variance = 4/5 = 0.8. Standard deviation = sqrt(0.8) ≈ 0.894427 → 0.89.
The standard deviation is 0.89.
Squared deviations: (1−2)^2,(1−2)^2,(2−2)^2,(3−2)^2,(3−2)^2 = 1,1,0,1,1; sum = 4.
Population variance = 4/5 = 0.8. Standard deviation = sqrt(0.8) ≈ 0.894427 → 0.89.
The standard deviation is 0.89.
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