Question 1 0To draw a histogram to represent the frequency distribution-HheClass interval - 5-10 - 10-15 - 15-25 - 25-45 - 45-75 whline Frequency - 6 - 12 - 10 - 8 - 15 Whline endarray The adjusted frequency for the class 25-45 is-A 6B 5C 3D 2

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Standard IX

Mathematics

Frequency Polygon

Question 1 0T...

Question

Question 10
To draw a histogram to represent the frequency distribution.
$\begin{matrix} C l a s s i n t e r v a l & 5 - 10 & 10 - 15 & 15 - 25 & 25 - 45 & 45 - 75 F r e q u e n c y & 6 & 12 & 10 & 8 & 15 \end{matrix}$
The adjusted frequency for the class 25 - 45 is:

A) 6
B) 5
C) 3
D) 2

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Solution

The answer is D.
Here, minimum class width = 5
Frequency for the interval (25 - 45) = 8
Width of the interval 25 - 45 = 20
$∴ A d j u s t e d f r e q u e n c y = \frac{F r e q u e n c y}{C l a s s w i d t h o f (25 - 45)} \times M i n i m u m c l a s s w i d t h$
Hence, the adjusted frequency for the class 25 - 45 is 2.

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Question 10
To draw a histogram to represent the frequency distribution.
$\begin{matrix} Class interval & 5 - 10 & 10 - 15 & 15 - 25 & 25 - 45 & 45 - 75 Frequency & 6 & 12 & 10 & 8 & 15 \end{matrix}$
The adjusted frequency for the class 25 - 45 is:

A) 6
B) 5
C) 3
D) 2

Q. To draw a histogram to represent the following frequency distribution:

Class Interval	$5 - 10$	$10 - 15$	$15 - 25$	$25 - 45$	$45 - 75$
Frequency	$6$	$12$	$10$	$8$	$15$

The adjusted frequency for the class

25 - 45

is:

To draw a histogram to represent the following frequency distribution:

The adjusted frequency for the class 25 - 45 is:

Q. Consider the following frequency distribution:

Class interval :	5 – 10	10 – 15	15 – 25	25 – 45	45 – 75
Frequency :	6	12	10	8	15

To draw a histogram to represent the above frequency distribution the adjusted frequency for the class 25-45 is
(a) 6
(b) 5
(c) 3
(d) 2

Question 10
To draw a histogram to represent the frequency distribution.
$\begin{matrix} Class interval & 5 - 10 & 10 - 15 & 15 - 25 & 25 - 45 & 45 - 75 Frequency & 6 & 12 & 10 & 8 & 15 \end{matrix}$
The adjusted frequency for the class 25 - 45 is:

A) 6
B) 5
C) 3
D) 2

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Question 10 To draw a histogram to represent the frequency distribution. Class interval5−1010−1515−2525−4545−75Frequency61210815 The adjusted frequency for the class 25 - 45 is: A) 6 B) 5 C) 3 D) 2

The answer is D. Here, minimum class width = 5 Frequency for the interval (25 - 45) = 8 Width of the interval 25 - 45 = 20 ∴Adjusted frequency=FrequencyClass width of(25−45)×Minimum class width Hence, the adjusted frequency for the class 25 - 45 is 2.

Question 10
To draw a histogram to represent the frequency distribution.
$\begin{matrix} C l a s s i n t e r v a l & 5 - 10 & 10 - 15 & 15 - 25 & 25 - 45 & 45 - 75 F r e q u e n c y & 6 & 12 & 10 & 8 & 15 \end{matrix}$
The adjusted frequency for the class 25 - 45 is:

A) 6
B) 5
C) 3
D) 2