Question: Consider these sample data: x1 = 12, x2 = 8, x3 = 9, x4 = 17. a. Find n. b. Compute xi . c. Determine

Consider these sample data: x1 = 12, x2 = 8, x3 = 9, x4 = 17.

a. Find n.

b. Compute xi .

c. Determine x¯.

Applying the Concepts and Skills In Exercises 3.19–3.26, find the

a. mean.

b. median.

c. mode(s).

For the mean and the median, round each answer to one more decimal place than that used for the observations.

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