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The marks obtained by 9 students in a ch...

The marks obtained by 9 students in a chemistry test are `50, 69, 20, 33, 53, 39, 40, 65 and 59`. If the mean deviation about the median of this data is `lambda`, then the value of `(9lambda)/(10)` is equal to

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Following are the marks obtained by 9 students in a Mathematics test : 50, 69, 20, 33, 53, 39, 40, 65, 59. The mean deviation from the median is :

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Following are the marks obtained by 9 student in a mathematics test 50,69,20,33,53,39,40,65,59, The mean deviation from the median is

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