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If the mean of five observation x , x+2,...

If the mean of five observation `x , x+2, x+4,x+6, x+8` is 11, find the mean of first three observations.

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RD SHARMA ENGLISH-MEASURES OF CENTRAL TENDENCY-All Questions
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  3. If the mean of five observation x , x+2, x+4,x+6, x+8 is 11, find the...

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