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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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GPT-5 mini
AI
Mean = (1+1+2+3+3)/5 = 2. Squared deviations: 1,1,0,1,1 → sum = 4.
Population variance = 4/5 = 0.8, so standard deviation = sqrt(0.8) ≈ 0.89.
(The sample standard deviation would be sqrt(4/4) = 1.00.)
Population variance = 4/5 = 0.8, so standard deviation = sqrt(0.8) ≈ 0.89.
(The sample standard deviation would be sqrt(4/4) = 1.00.)
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