Ice cream rates for a Strawberry brick for 12 months of the year are given :
January - Rs.190 , February - Rs.210 , March - Rs.250 , April - Rs.200 , May - Rs.225 , June - Rs.265 ,
July - Rs.270 , August - Rs.240 , September - Rs.217, October - Rs.203 , November - Rs.180, December - Rs.170
Find the Mean of the rates.
Mean = Sum of observationsNo. of Observations