The mean deviation from the mean of the set of observations,$-1, 0, 4$ is
- A$3$
- B$1$
- C$-2$
- D$2$
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Similar Questions
If the mean of $4, 7, 2, 8, 6$ and $a$ is $7$,find the mean deviation about the median of these observations.
Medium
View SolutionCalculate the mean deviation about the mean of the set of first $n$ natural numbers when $n$ is an even number.
Medium
View SolutionThe mean deviation from the median for the following distribution (corrected to $2$ decimals) is
$x_i$ $3$ $6$ $9$ $12$ $13$ $15$ $21$ $22$ $f_i$ $3$ $4$ $5$ $2$ $4$ $5$ $4$ $3$
| $x_i$ | $3$ | $6$ | $9$ | $12$ | $13$ | $15$ | $21$ | $22$ |
| $f_i$ | $3$ | $4$ | $5$ | $2$ | $4$ | $5$ | $4$ | $3$ |
For a frequency distribution,the mean deviation from the mean is computed by:
Medium
View SolutionThe mean deviation about the mean for the following data is
Class Interval $0-4$ $4-8$ $8-12$ $12-16$ Frequency $4$ $3$ $2$ $1$
| Class Interval | $0-4$ | $4-8$ | $8-12$ | $12-16$ |
| Frequency | $4$ | $3$ | $2$ | $1$ |
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