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Median of following marks scored by 8 students 20,25,24,17,18,19,21,27 is………………. .

Find the mode of the following marks obtained by 20 students 3,5,6,9,3,2,8,8,6,4,5,10,3,5,7,9,9

Find the variance of the following data : 6, 8, 10, 12, 14, 16, 18, 20, 22, 24.

Find the median of the following data 26,36,29,25,24,37,23,20,34

Find the mode of the following data: 15,23,25,20,40,27,22,25,8

Find the median of the following data: 15,6,16,8,22,21,9,18,25

Find the median of the data: 24, 36, 46, 17, 18, 25, 35

Find the mean deviation from the median for the following data : 10, 3, 12, 5, 9, 3, 18, 21, 21, 8, 12, 12.

The following are the marks of 60 students in Mathematics 16,13,5,80,86,7,51,24,56,70,19,16,36,34,42,34,35,73,55,75,52,72,97,74,45,62, 68,86,35,81,75,55,26,95,31,7,78, 92,62,52,56,15,63,25,54,44,47,27,17,4,30 Construct a grouped distribution table with width 10 each of the class starting from 0-9.

Fill in the blanks to make each of the following a true statement: 17 xx (19 xx 15) = (.............. xx 19 ) xx 15