Question

if the mean of 10,12,18,13,P and 17 is 15. find the value of P.

Answer 1

10+12+18+13+p+17/6=15
70+p=15*6
p=90-70
=20

Answer 2

here you go ☆☆

□mean = sum of outcomes/ sum of total outcome.

▪$15 = \frac{10 + 12 + 18 + 13 + p + 17}{6}$

▪$15 = \frac{70 + p}{6}$

▪$90 = 70 + p$

▪$90 - 70 = p$

▪$p = 20$

hope it helps :)