Question

The mean of the following distribution is 50. Find the value of p and hence the frequencies of 30 and 40 x 10 30 50 70 90 f 17 5p+3 32 7p-11 19

Answer 1

30........................

Answer 2

Hi there!

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What is Mean?

The average of a given set of numbers is called the Arithmetic mean, or simply the mean, of the given numbers.

Mean = $\frac{Sum \: of \: observations }{Number \: of \: observations }$

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Thanks for the question!

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