1 Answer
Solution :-
We know that,
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Where, |di| = |xi – x|
So, let ‘x’ be the mean of the given observation.
x =
\( \dfrac{ [57 + 64 + 43 + 67 + 49 + 59 + 44 + 47 + 61 + 59]}{10}\)
= \( \dfrac{550}{10}\)
= 55
Number of observations, ‘n’ = 10
=\( \dfrac{1}{10}\) × 74
= 7.4
The Mean Deviation is 7.4.
Answered by Aaryan | 1 year agoRelated Questions
Find the mean deviation from the mean and from a median of the following distribution:
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| No. of students | 5 | 8 | 15 | 16 | 6 |
The age distribution of 100 life-insurance policy holders is as follows
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| No. of persons | 5 | 16 | 12 | 26 | 14 | 12 | 6 | 5 |
Compute mean deviation from mean of the following distribution:
| Marks | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 |
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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 |
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 |
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