Question

# Ice cream rates for a Vanilla brick for 12 months of a 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 Median of the rates.

A

217

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B

210

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C

213.5

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D

220.5

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Solution

## The correct option is C 213.5 For finding Median we first need to arrange the values in ascending order. We get : 170 , 180 , 190 , 200 , 203 , 210 , 217 , 225 , 240 , 250 , 265 , 270 Number of observations (n) = 12 Median = (n2)th term + (n2+1)thterm2 = 6thterm + 7thterm2 = 210 + 2172 = Rs.213.5

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