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Find the mean deviation from the median for the following data: Size:, 10, 11, 12, 14, 15 Frequency:, 2, 3, 8, 3, 4

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Here` N=20`
`N/2​=10 and (N​/2)+1=11`. Will be the median.
`∴ Median (xˉ)=(12+12)/2​=12.`
` [[xi]​ ,[f_i],​ [∣x_i​−xˉ∣] ,[∣x_i​−xˉ∣],[f_i]]​`
`[ [10] [ 2] [2] [4]]`
`[ [11] [3] [1] [3 ]]`
...
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