The mean and median of 5 observations 9 and 8 respectively :

The mean and median of 5 observations 9 and 8 respectively. If 1 is subtracted from each observation, then the new mean and the new median will respectively be
(a) 8 and 7
(b) 9 and 7
(c) 8 and 9
(d) Cannot be determined due to insufficient data.

Anurag Mishra Professor Asked on 20th February 2016 in Maths.
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    Answer: (b) 9 and 7

    Anurag Mishra Professor Answered on 20th February 2016.
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