classes 0-10 10-20 20-30 30-40 40-50 frequency 2 12 22 8 6 1.find the arithmetic mean using standard division method.
2. Find also its Median and Mode.
3. Check the Empirical relation of all the three measures of central tendency
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x
=A+h∑ i=1 to n fiui\∑ i=1 to n fi
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