A Cooperative firm at X produces and sells identical Mango fruit juice in four different canings with three types of flavor at the same price. The sales for 5 months are presented below. Sales data are normally distributed with equal variance. Use 5% level of significance

caning 1 caning 2 caning 3 caning 4

Flavor1 47 29 23 17

Flavor2 31 25 21 15

Flavor3 21 21 19 7

a)Find the calculated F-ratios and explain your decision

b)What policy do you recommend?