$20 - 40$ , $40 - 60$ , $60 - 80$ ,. The upper boundary of $2 n d$ class is

60

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60.5

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59.5

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40

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Solution

The correct option is A $60$
Given,

$20 - 40, 40 - 60, 60 - 80, . . . . . . . . .$

2nd class is $40 - 60$

Lower limit of second class is $40$

Upper limit of second class is $60$

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Similar questions

Q. The marks obtained by 40 students of a class are given below :

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,

50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

, and

60

Construct a frequency distribution table.

Q. The marks obtained by 40 students of a class are given below :

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80,

90, 50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

, and

60

How many students obtained marks below

40

The marks obtained by $40$ students of a class are given below :
$80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70,$
$10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,$ $50, 80,$
$60, 70, 40, 50, 60, 90, 60, 40, 40, 60$ , and $60$

How many numbers are less than

35

Identify the modal class:

Q. In the series of cIasses: 0-20, 20-40, 40-60, 60-80 of a grouped data, 25 is included in the class

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20−40, 40−60, 60−80,. The upper boundary of 2nd class is

The correct option is A 60Given,20−40,40−60,60−80,.........2nd class is 40−60Lower limit of second class is 40Upper limit of second class is 60

$20 - 40$ , $40 - 60$ , $60 - 80$ ,. The upper boundary of $2 n d$ class is

The correct option is A $60$
Given,

$20 - 40, 40 - 60, 60 - 80, . . . . . . . . .$

2nd class is $40 - 60$

Lower limit of second class is $40$

Upper limit of second class is $60$