Question: is this correct Data: 8, 12, 9, 11, 15, 10, 12, 13, 9, 11 Directions: Perform the following statistical calculations and then use your results

is this correct

Data: 8, 12, 9, 11, 15, 10, 12, 13, 9, 11 Directions: Perform the following statistical calculations and then use your results to answer the questions. 1. Calculate the Mean (x ) o Formula: 2 = 110 1 = 10 iM ki X = 11 XI- x o Mean : IL 8 3 9 12 - Calculate the Standard Deviation (s) 4 o Formula: (Xi - x )2 40 9 = 2. 1:08 IS 4 /1 16 4 2. 1 2.1 1 o Standard Deviation (s): 12 13 2 4 9 2 4

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