If $\bar{x}$ is the mean of $n$ observations $x_1, x_2, \ldots, x_n$,then the mean of the absolute deviations of these observations from $\bar{x}$ is
- Athe variance of the data
- Bthe mean proportion of the data
- Cthe standard deviation of the data
- Dthe mean deviation of the data
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Similar Questions
If the mean deviation about the median of the numbers $a, 2a, 3a, \dots, 50a$ is $50$,then $|a|$ equals:
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View SolutionThe mean deviation about the mean for the data:
$x_i$
$5$
$7$
$9$
$10$
$12$
$15$
$f_i$
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$6$
$2$
$2$
$2$
$6$
is equal to: (in /$13$)
| $x_i$ | $5$ | $7$ | $9$ | $10$ | $12$ | $15$ |
| $f_i$ | $8$ | $6$ | $2$ | $2$ | $2$ | $6$ |
DifficultJEE MAIN 2026
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