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Properties of Measures of Central Tendency

The mean weig...

Question

The mean weight of 8 students is 45.5 kilogram 2 more students having weight of 41.7 kg and 53.3 kg join the group what is the new mean weight

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Solution

mean is 45.5 kg for 8.
So total of weights = 8 * 45.5 = 364
Two more weights 41.7 + 53.3 = 95 kg
So new total = 364+95 = 459 kg
Hence new mean = 459/10 = 45.9 kg

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Properties of Measures of Central Tendency

Standard IX Mathematics

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