Find the mean deviation from the median for the following data

Question

x_i	74	89	42	54	91	94	35
f_i	20	12	2	4	5	3	4

Asked by Sakshi | 1 year ago | 25

0 0

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Find the mean deviation from the mean and from a median of the following distribution:

Marks	0-10	10-20	20-30	30-40	40-50
No. of students	5	8	15	16	6

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The age distribution of 100 life-insurance policy holders is as follows

Age (on nearest birthday)	17-19.5	20-25.5	26-35.5	36-40.5	41-50.5	51-55.5	56-60.5	61-70.5
No. of persons	5	16	12	26	14	12	6	5

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Marks	10-20	20-30	30-40	40-50	50-60	60-70	70-80	80-90
No. of students	8	10	15	25	20	18	9	5

Class 11 Maths Statistics View Answer

Find the mean deviation from the mean for the following data:

Classes	95-105	105-115	115-125	125-135	135-145	145-155
Frequencies	9	13	16	26	30	12

Class 11 Maths Statistics View Answer

Find the mean deviation from the mean for the following data:

Classes	0-100	100-200	200-300	300-400	400-500	500-600	600-700	700-800
Frequencies	4	8	9	10	7	5	4	3

Class 11 Maths Statistics View Answer

Accepted Answer

To find the mean deviation from the median, firstly let us calculate the median.

We know, N = 50

Median = \( \dfrac{ 50}{2}\) = 25

So, the median Corresponding to 25 is 74

N = 50

= \( \dfrac{ 1}{50}\) × 625

= 12.5

The mean deviation is 12.5

Answered by Aaryan | 1 year ago