Find the values of p- q- r and s in the given cumulative frequency distribution- x frequency Cumulative frequency- 15 2 p - - 25 14 q - - 35 23 r - - 45 10 s- - 55 8 57- -

As cumulative frequency is the sum of all previous nbsp;frequencies nbsp;up to the current point, nbsp; [ nbsp; x amp; frequ ...

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Standard X

Mathematics

Cumulative Frequency

Find the valu...

Question

Find the values of p, q, r and s in the given cumulative frequency distribution.
$\begin{matrix} x & f r e q u e n c y & C u m u l a t i v e f r e q u e n c y 15 & 2 & p = - - - - 25 & 14 & q = - - - - 35 & 23 & r = - - - - 45 & 10 & s = - - - - 55 & 8 & 57 \end{matrix}$

p = 3, q = 16, r = 29, s = 39

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p = 2, q = 13, r = 38, s = 45

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p = 0, q = 10, r = 35, s = 42

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p = 2, q = 16, r = 39, s = 49

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Solution

The correct option is D p = 2, q = 16, r = 39, s = 49
As cumulative frequency is the sum of all previous frequencies up to the current point,

$\begin{matrix} x & f r e q u e n c y & C u m u l a t i v e f r e q u e n c y 15 & 2 & p = 2 25 & 14 & q = 14 + 2 = 16 35 & 23 & r = 16 + 23 = 39 45 & 10 & s = 39 + 10 = 49 55 & 8 & 49 + 8 = 57 \end{matrix}$

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Find the values of p, q, r and s in the given cumulative frequency distribution.
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Q. Find the values of p, q, r and s in the given cumulative frequency distribution.

\begin{matrix} x & frequency & Cumulative frequency 10 & 3 & p 15 & 10 & q 20 & 25 & r 25 & 7 & s 30 & 5 & 50 \end{matrix}

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Find the values of p, q, r and s in the given cumulative frequency distribution. xfrequencyCumulative frequency152p=−−−−2514q=−−−−3523r=−−−−4510s=−−−−55857

The correct option is D p = 2, q = 16, r = 39, s = 49As cumulative frequency is the sum of all previous frequencies up to the current point, xfrequencyCumulative frequency152p=22514q=14+2=163523r=16+23=394510s=39+10=4955849+8=57

Find the values of p, q, r and s in the given cumulative frequency distribution.
$\begin{matrix} x & f r e q u e n c y & C u m u l a t i v e f r e q u e n c y 15 & 2 & p = - - - - 25 & 14 & q = - - - - 35 & 23 & r = - - - - 45 & 10 & s = - - - - 55 & 8 & 57 \end{matrix}$