The number of employee, wages per employee and the variance of wages per employee for two factories are given below :

ltems	Factory A	Factory B
No of Employees	50	100
Average wages per employee (Rs.)	120	85
Variance of wages per day (Rs.)	9	16

(i) In which factory is there greater variation in the distribution of wage per employee?

(ii) Suppose in a factory B, the wages of an employee are wrongly noted as Rs. 120 instead of Rs. 100. What would be the corrected variance of factory B?