The arithmetic mean of a set of observation is \bar{X}. If each observation is divided by \\alpha and increased by 10 , then the mean of the new series is

{\overline{X}+10 \\alpha}/{\\alpha}

BITSAT 2018 Slot 2 Solved Paper

Section: Mathematics

Question : 140 of 150

Marks: +1, -0

The arithmetic mean of a set of observation is bar‌X. If each observation is divided by α and increased by 10 , then the mean of the new series is

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