Question: Consider the following data and corresponding weights. xi. Weight (wi) 3.3 6 5.0 3 2.5 2 5.0 9 compute the weighted mean ( to 3

Consider the following data and corresponding weights.

xi. Weight (wi)

3.3 6

5.0 3

2.5 2

5.0 9

compute the weighted mean ( to 3 decimals).

compute the sample mean of the four data values without weighting ( to 3 decimals). Note the difference in the results provided by the two computations.

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