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Explain the sample mean-median and 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). If the number 8.3 were changed to 1.5, Explain the sample mean, median, and standard deviation? Does it increase, decrease, or remain the same.

11.0 9.5 13.5 7.2 10.5 8.3 12.5

a. The sample mean, median, and standard deviation would all increase.

b. The sample mean, median, and standard deviation would all decrease.

c. The sample mean would decrease, the median would stay the same, and the standard deviation would increase.

d. The sample mean would decrease, the median would increase, and the standard deviation would increase.

e. The sample mean would increase, the median would increase, and the standard deviation would increase.

Reference no: EM132201164

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