1. For the sample data set from HW MO Problem 1: {92, 97, 88, 91, 94, 94, 85,93, 81, 85} perform the following calculations or operations with pencil and paper: a. Find the mean. b. Find the standard deviation using the defining form of s c. Find the standard deviation using the calculating form of s d. Estimate the standard deviation from the range using the d₂ method e. Determine the quartiles. f. Calculate the IQR. g. Sketch a boxplot. h. Sketch a dotplot. i. Sketch a stem and leaf plot.

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