STATISTICS SHORTCUT TRICK ( MEAN,MEDIAN,MODE) FOR JEE/NDA/NA/CETs/AIRFORCE/RAILWAYS/ CLASS 11 NCERT

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CH. 14 STATISTICS Q1 Class 0-8 8-16 16-24 24-32 32-40 Frequency 10 12 26 9 15 e mean of above data by: () Direct method () Assumed mean method (ii) Step deviati iop metod. Q2 The following distribution shows the daily pocket allowance of children of a locali ty. The mean pocket allowance is Rs 20. Find the missing frequency Daily Pocket 0-20 20-40 40-60 0-80 80-100 No. Of Children 7 10 9 13 Q3. The following table shows age distribution of persons in a particular region. Find the: (0) mean age (i)modal age (ili) median age Age? Below!0 Below20 Below30 Below 40, Below 50 Belo No, persons ? 250 190 100 40 15 4 Arithmetic mean of the following frequency distribution is 50. Find the missing frequencies C.I. ? 0-20 20-40 40-60 60-80 80-100 Tota

Introduction to Statistics | Mean | Mode | Median

Discussion OF exemplar || NCERT question based on Mean,Median or Mode||Summary

Exercise-14.2 || Examples on Mode, Mean comparing || Median OF ungrouped data || Revise studied in 9th class

For the data given below, find the sum of mode, median and mean. 6, 3, 8, 4, 3 11 7, 4,5, 4.

For the data given below, find the sum of mode, median and mean. 6, 3, 8, 4, 3, 11, 7, 4, 5, 4.