For the frequency polygon, which class interval frequency 10 belongs to?

0-4

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8-12

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12-16

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16-20

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Solution

The correct option is C 12-16

Frequency $10$ is at $x = 10$

$x = 10$ is midpoint of class $(8 - 12)$

$∴$ Frequency $10$ belongs to $(8 - 12)$

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Similar questions

Q. For the frequency polygon, which class interval, highest frequency belong to?

C.I	0-4	4-8	8-12	12-16	16-20	20-24
frequency	4	7	10	15	11	6

Construct frequency polygon for the following table

Q. For the frequency polygon, identify the 1st class interval.

Draw a frequency polygon for the following frequency distribution:
$\begin{matrix} Class interval & 1 - 10 & 11 - 20 & 21 - 30 & 31 - 40 & 41 - 50 & 51 - 60 Frequency & 8 & 3 & 6 & 12 & 2 & 7 \end{matrix}$

To complete the frequency polygon plot we assume a class interval with frequency zero and add one before and one after the given class intervals

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For the frequency polygon, which class interval frequency 10 belongs to?

The correct option is C 12-16 Frequency 10 is at x=10 x=10 is midpoint of class (8−12) ∴ Frequency 10 belongs to (8−12)

The correct option is C 12-16

Frequency $10$ is at $x = 10$

$x = 10$ is midpoint of class $(8 - 12)$

$∴$ Frequency $10$ belongs to $(8 - 12)$