The formula $\ldots \ldots$ represents the empirical relationship between the measures of central tendency.
- A$Z = 2\bar{x} - 3M$
- B$Z = 3M - 2\bar{x}$
- C$Z = 3\bar{x} - 2M$
- D$Z = 2M - 3\bar{x}$
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Similar Questions
If the mean of $12, 13, x, 17, 18$ and $20$ is $16,$ then $x = \ldots \ldots \ldots \ldots .$
Medium
View SolutionThe mean of the following frequency distribution is $52$. Find the missing frequency $f$.
Class $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ $70-80$ Frequency $5$ $3$ $4$ $f$ $2$ $6$ $13$
| Class | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ |
| Frequency | $5$ | $3$ | $4$ | $f$ | $2$ | $6$ | $13$ |
Medium
View SolutionFor some given data,if $Z - M = 2$ and $\bar{x} = 33.5$,then $Z = \ldots \ldots \ldots$ (in $.5$)
Easy
View SolutionFor the calculations of mode of a grouped data,the maximum frequency of a class is denoted by $\ldots \ldots \ldots . .$
Easy
View SolutionFind the mean,median,and mode of the following frequency distribution:
Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ Frequency $5$ $27$ $58$ $20$ $10$
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ |
|---|---|---|---|---|---|
| Frequency | $5$ | $27$ | $58$ | $20$ | $10$ |
Medium
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