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Calculate the sample standard deviation

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The duration of time from first exposure to HIV infection to AIDS diagnosis is called the incubation period. The incubation periods of a random sample of 7 HIV infected individuals is given below (in years):

12.0, 10.5, 5.2, 9.5, 6.3, 13.1, 13.5, 12.5, 10.7, 7.2, 14.9, 6.5, 8.1, 7.9

a) Calculate the sample mean.

b) Calculate the sample median.

c) Calculate the sample standard deviation.

d) If the number 6.3 above were changed to 1.5, what would happen to the sample mean, median, and standard deviation?

Reference no: EM132942405

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