Question

5. mean deviation from arithmetic mean
Class Inter :
0-8
Frequency:
8-16
16-24
24–32
32-40
40-48
8
20
24
23
9
7​

Answer 1

Answer:

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

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