Question

mean of 7,9,2p+3,3--2and 11 is 10 find p and Median ​

Answer 1

Answer:

$mean = \frac{sum \: of \: observations}{number \: of \: observations} \\10 = \frac{(7 + 9 + 2p + 3 + 3 + 2 + 11)}{6} \\ 10 = \frac{(2p + 35)}{6} \\ 10 \times 6 = 2p + 35 \\ 60 = 2p + 35 \\ 60 - 35 = 2p \\ 25 = 2p \\ 25 \div 2 = p \\ p = 12 .5$