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Consider the following data and corresponding weights. Weight: Xi Wi (weight) 3.3 6 5.0 3 2.5 2 5.0 9 a. Compute the sample mean of

Consider the following data and corresponding weights.

Weight: Xi Wi (weight)

3.3 6

5.0 3

2.5 2

5.0 9

a. Compute the sample mean of the four data values without weighting.

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