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Carl Pearson's coefficient of skewness

The following table gives the distribution of daily traveling allowance to salesmen in a company

Travelling # of salesmen
100-120 14
120-140 16
140-160 20
160-180 18
180-200 15
200-220 7
220-240 6
240-260 4

Compute Karl Pearson's co-efficient of skewness and comment on its value

Solution Preview

Step-1: Calculate mid points for the class interval
Step2: Calculate average
Step3: Calculate Median
Step4: Calculate Standard deviation
Step5: Carl Pearson's ...

Solution Summary

This posting illustrates how to calculate the Carl Pearson's coefficient of skewness and interpreting its value. The step-by-step process is provided for the students to understand its calculations and its relationship with other statistical measures such as mean, standard deviation and mode.