Using mean and median, calculate mean deviation:
X 10 12 14 16 18 20 8 22 24
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Answer:
3.2
Description for Correct answer:
X¯=18+20+12+14+19+22+26+16+19+2410
=19010=19
Mean deviation about the mean =∑|X−X¯|n
=1+1+7+5+0+3+7+3+0+510=3210=3.2
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