Answer to Question #321151 in Statistics and Probability for oslo

Question

The following distribution gives the pattern of overtime work done by

employees of a company. Calculate:

Overtime(Hours): 10-15 15-20 20-25 25-30 30-35 35-40

Number of Employees : 11 20 35 20 8 6

(a) The geometric mean

(b) The mode of the distribution

(c) Harmonic mean

(d) Variance of the distribution

(e) Obtain the Karl Pearson’s coefficient of skewness and comment on

the results.

(f) Obtain the moment-coefficient of Kurtosis of the overtime data and

interpret the results.