Class Interval Frequency 10 20 5 20 30 7 30 40 2 40 50 4 50 60 1 Calculate the cumulative frequencies.

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Cumulative Frequency

Class - Inter...

Question

5, 12, 14, 18, 19

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5, 12, 14, 18, 18

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12, 12, 14, 18, 19

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5, 12, 18, 18, 19

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Solution

The correct option is A 5, 12, 14, 18, 19
We know that in frequency distribution table a cumulative frequency is the sum of the class frequency and all classes (frequencies) below it.

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Similar questions

\frac{1}{2} + \frac{1}{4} + \frac{1}{8} + . . . + \frac{1}{2^{n}} = 1 - \frac{1}{2^{n}}

Group	$6 - 8$	$8 - 10$	$10 - 12$	$12 - 14$	$14 - 16$	$16 - 18$	$18 - 20$
Frequencies	$12$	$20$	$16$	$15$	$17$	$8$	$12$

3, 20, 18, 14 : 5, 14, 9, 7 :: 6, 15, 12, 10 : ?

\frac{11}{12}

\frac{6}{7}

\frac{14}{18}

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