The following information is regarding marks in English- obtained out of 80 -class interval 20 - 40 the lower class limit is Class Interval Frequency 0-20 2 20-40 5 40-60 17 60-80 26 Total N -50 A- 20 B- 40C- 30D- 10

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Class-Limit

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Question

The following information is regarding marks in English, obtained out of 80.
For class interval 20 - 40 the lower class limit is_____.

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Solution

The correct option is A 20
The end values of the classes are called class-limits. For the class 20 -40, the lower class limit is 20 and the upper class limit is 40.

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Q. The following information is regarding marks in English, obtained out of 80.

Find the class mark for the class 60 - 80.

If the median of the distribution is given below is 28.5, find the values of x and y.

Class interval	Frequency
0 − 10	5
10 − 20	x
20 − 30	20
30 − 40	15
40 − 50	y
50 − 60	5
Total	60

Q. Find the mode of the given data: [CBSE 2015]

Class interval	0−20	20−40	40−60	60−80
Frequency	15	6	18	10

Question 2
If the median of the distribution given below is 28.5, find the values of x and y.

$\begin{matrix} C l a s s i n t e r v a l & F r e q u e n c y 0 - 10 & 5 10 - 20 & x 20 - 30 & 20 30 - 40 & 15 40 - 50 & y 50 - 60 & 5 T o t a l & 60 \end{matrix}$

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The following information is regarding marks in English, obtained out of 80. For class interval 20 - 40 the lower class limit is_____.

The correct option is A 20The end values of the classes are called class-limits. For the class 20 -40, the lower class limit is 20 and the upper class limit is 40.

The following information is regarding marks in English, obtained out of 80.
For class interval 20 - 40 the lower class limit is_____.

The correct option is A 20
The end values of the classes are called class-limits. For the class 20 -40, the lower class limit is 20 and the upper class limit is 40.