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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.......... is not a measure of central tendency.
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Class $0-10$ $10-20$ $20-30$ $30-40$ $40-50$ $50-60$ $60-70$ $70-80$ $80-90$ $90-100$ Frequency $8$ $4$ $20$ $45$ $64$ $32$ $f$ $8$ $2$ $2$
| Class | $0-10$ | $10-20$ | $20-30$ | $30-40$ | $40-50$ | $50-60$ | $60-70$ | $70-80$ | $80-90$ | $90-100$ |
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