Question

Q.5 Find the value of p,if the mean of the following distribution is 6.
xi
2
4
3
5
P + 5
fi
3
2
6
2
2​

Answer 1

Answer:

7

Step-by-step explanation:

6= (2×3)+(4×2)+(6×3)+(10×1)+(p+5)×2 ÷ 3+2+3+1+2

6= 6+8+18+10+2p+10 ÷ 11

​6= 52+2p ÷ 11

6×11=52+2p

66−52=2p

14=2p

p= 14 ÷ 2

∴p=7

Have a wonderful day.

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