If the mean of the following distribution is 2-6- then the value of y is Variable x 1 2 3 4 5 Frequency 4 5 y 1 2 A 13-B- 24C- 8D- 3

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Finding Mean for Grouped Data When Class Intervals Are Not Given

If the mean o...

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If the mean of the following distribution is 2.6, then the value of y is

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If the mean of the following frequency distribution is 4.5, find the misssing frequency f.

$\begin{matrix} Variable & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 Frequency & 5 & 12 & f & 13 & 7 & 9 & 12 & 3 & 11 & 4 \end{matrix}$

In the follwoing distribution, if the mean of the distribution is 86 then the value of P is

\begin{matrix} V a r i a b l e (x) & 1 & 2 & 3 & 4 & 5 F r e q u e n c y & 4 & 5 & y & 1 & 2 \end{matrix}

X	2	3	1	5	6	4
Y	4	5	3	4	6	2

X

\begin{matrix} X & 1 & 2 & 3 & 4 & 5 P (X) & K^{2} & 2 K & K & 2 K & 5 K^{2} \end{matrix}

P (X > 2)

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