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Answer the question in the screenshot below. Please write legibly and show your work. Thank you! 3. Using the data below, calculate the standard deviation

Answer the question in the screenshot below. Please write legibly and show your work. Thank you!

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3. Using the data below, calculate the standard deviation and variance. The following data are the average words per minute typed in a college keyboarding course: X (x- x ) (x- x) 2 45 56 45 43 47 23 54 77 34 59 Standard Deviation: 1 Vn-1 E(x - X) 2 Variance

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