All student heights in a class is shown below. Heights 71.6 66.9 66.1 67.9 71.6 65.7 68.7 68.9 66.5 69.5 68.8 61.8 65.7 Use technology to calculate the following and round answers to the fourth decimal place Mean: SD: 0= 2.5383 = 67.6083 X X Use the value from your answer for the standard deviation to calculate the variance Variance: 02 O = 6.43 X

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