Center, Shape, & Spread of Data
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QUESTION
Find the mean: 4, 8, 6, 5.
QUESTION
What is the median of the data set: 3, 7, 9, 2, 4?
QUESTION
Calculate the variance: data set 2, 2, 3, 3.
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ANSWER
Variance = 0.25. Mean is 2.5, deviations squared and averaged.
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