Compute karl pearson-s co-efficient of skewnes

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The data given shows daily sales at the petrol station. Compute Karl Pearson's co -efficient of skewness.

Quantity sold (in litres)  No. of days
700 - 1000                  12
1000 - 1300                18
1300 - 1600                20
1600 - 1900                25
1900 - 2200                18
2200 - 2500                 5
2500 - 2800                 2

Reference no: EM13109834

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