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How to find the weighted mean of xi values

Assignment Help Basic Statistics
Reference no: EM132028064

Data Sample

xi  wi

4.9  4

3.5  5

5.9  7

2.1  3

5.9  2

Please show me how to find the arithmetic mean of xi values without weights

Please show me how to find the weighted mean of xi values

Reference no: EM132028064

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