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10 questions from this quiz
The spread of data around the mean
Midpoint of each class interval
Mean of the distribution
∑(f×x)∑f\frac{\sum (f \times x)}{\sum f}∑f∑(f×x)
Calculate the mean (xˉ\bar{x}xˉ)
Square the deviations
31.5
1855.00
Approximately 9.63
Take the square root
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