Question: Consider the following sample of five values and corresponding weights: xi wi 4.6 ..........8 3.2 ..........3 5.4 ..........6 2.6 ..........2 5.2 ..........5 a. Calculate the

Consider the following sample of five values and corresponding weights:
xi wi
4.6 ..........8
3.2 ..........3
5.4 ..........6
2.6 ..........2
5.2 ..........5
a. Calculate the arithmetic mean of the xi values without weights.
b. Calculate the weighted mean of the xi values.

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