In: Statistics and Probability
The following are the weekly output of a machine for the past five years.
| 
 Weeklyoutput (in 1000 units)  | 
 0 - 2  | 
 2 - 4  | 
 4 - 6  | 
 6 - 8  | 
 8 - 10  | 
| 
 Frequancy  | 
 1  | 
 5  | 
 4  | 
 3  | 
 1  | 
Compute (a) Moment co-efficient of skewness β1 ? = μ32μ23
(b) Co-efficient of kurtosis β2 = μ4μ22