In a frequency distance with classes $0 - 10, 10 - 20$ and so on, the size of class interval is $10$ . lower limit of fourth class is

40

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50

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20

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30

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Solution

The correct option is C $30$
Classes - $0 - 10, 10 - 20, 20 - 30, 30 - 40$
Hence, lower limit of fourth class is $30$

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Question 14

In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is:

(a) 40

(b) 50

(d) 30

Question 14

In a frequency distribution with classes 0-10, 10-20 etc., the size of the class intervals is 10. The lower limit of fourth class is:

(a) 40

(b) 50

(d) 30

In a frequency distribution, the first and the second class intervals are 0 -10 and 10 -20. Then, the lower limit of the fourth class interval is

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