Question

If the mean of the following data is 11, what is the value of p?x=5,8,11,14,17 f=2,4,8,p,2


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Answer 1

Answer:

Find an answer to your question If the mean of the following data is 11, what is the value of p?x=5,8  ...

Step-by-step explanation:

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Answer 2

Answer:

p = 4

Step-by-step explanation:

Given,

mean = 11

or,

( 5× 2 + 8× 4 + 11× 8 + 14×p + 17 × 2)/ ( 2+4+8+p+2) = 11

or, (164 + 14 p)/ (16+p) = 11

or, 176 +11 p = 164 + 14 p

or, 11 p - 14 p = 164 - 176

or, - 3p = - 12

or, p = 12/ 3

or, p = 4

Concept used:

Mean ( when frequency given)

= Summation (fi xi) / summation fi

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