Question

How to Find the value of p

Answer 1

Answer:

P : 7

Step-by-step explanation:

Mean / Average : sum of values ÷ Number of values .

Therefore , ( 12+6+p+4+10+8+9 ) ÷ 7 = 8

( 49+p ) ÷ 7 = 8

49+p= 8× 7

49+p = 56

P= 56 - 49

Therefore, P = 7

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Answer 2

Answer:

P = 7

Step-by-step explanation:

Given series = 12,6,p,4,10,8,9

and also given that mean = 8

we know that,

Mean = Sum of all observations/ no.of observations

substituting all these values, we get

1. 12+6+p+4+10+8+9 / 7 =8
2. 49+p =56
3. p = 56-49
4. therefore,p =7

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