Mean deviation is least if it is taken about :-
- AMean
- BMedian
- CMode
- D$H.M.$
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Similar Questions
The mean deviation about the mean of the following data is nearly:
Size $(x)$ $1$ $3$ $5$ $7$ $9$ $11$ $13$ $15$ Frequency $(f)$ $3$ $3$ $4$ $14$ $7$ $4$ $3$ $4$
| Size $(x)$ | $1$ | $3$ | $5$ | $7$ | $9$ | $11$ | $13$ | $15$ |
|---|---|---|---|---|---|---|---|---|
| Frequency $(f)$ | $3$ | $3$ | $4$ | $14$ | $7$ | $4$ | $3$ | $4$ |
Find the mean deviation about the mean for the following data:
Marks obtained $0-20$ $20-40$ $40-60$ $60-80$ $80-100$ Number of students $10$ $8$ $12$ $9$ $11$
| Marks obtained | $0-20$ | $20-40$ | $40-60$ | $60-80$ | $80-100$ |
| Number of students | $10$ | $8$ | $12$ | $9$ | $11$ |
What is the mean deviation about the mean for the observations $5, 10, 15, 20, \dots, 85$?
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View SolutionThe mean deviation from the mean $10$ of the data $6, 7, 11, 12, 13, \alpha, 12, 16$ is
The mean deviation about the median of the following distribution is:
$x$ $6$ $12$ $18$ $24$ $30$ $36$ $42$ $f$ $4$ $7$ $9$ $18$ $15$ $10$ $5$
| $x$ | $6$ | $12$ | $18$ | $24$ | $30$ | $36$ | $42$ |
|---|---|---|---|---|---|---|---|
| $f$ | $4$ | $7$ | $9$ | $18$ | $15$ | $10$ | $5$ |
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