Question: Consider these sample data: x 1 = 12, x 2 = 8, x 3 = 9, x 4 = 17. a. Find n. b. Compute

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

a. Find n. 

b. Compute Σxi. 

c. Determine  x̄

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