Question: Refer to Exercise 2.3 and the data on extracurricular activities. Find the sample mean and standard deviation. In Exercise 2.3 l5 0 1 4 3

Refer to Exercise 2.3 and the data on extracurricular activities. Find the sample mean and standard deviation.
In Exercise 2.3

Refer to Exercise 2.3 and the data on extracurricular activities.

l5 0 1 4 3 0 2 1 6 1 1 0 0 2 0 0 3 1 2 1 2 2 2 2 2 1 0

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