Calculate the mean deviation about mean for the following data. `{:("Class Interval",f),(" "10-14,5),(" "15-19,6),(" "20-24,3),(" "25-29,10),(" "30-34
Calculate the mean deviation about mean for the following data.
`{:("Class Interval",f),(" "10-14,5),(" "15-19,6),(" "20-24,3),(" "25-29,10),(" "30-34,4),(" "35-39,15),(" "40-44,8),(" "45-49,10):}`
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