Question

1. If 20-30 is the class interval of grouped data, then lower class limit is
option
50
30
20
10​

Answer 1

Answer:

20 is the answer for this question

Answer 2

If 20 - 30 is the class interval of grouped data, then lower class limit is 20

Given :

The class interval of grouped data is 20 - 30

To find :

The lower class limit is

• 50

• 30

• 20

• 10

Concept :

Lower class limit :

In the frequency table if both ends of any class interval are specified then these end values are known as class limits. The lower end value is called lower class limit whereas the upper end value is called upper class limit

Solution :

Step 1 of 2 :

Write down the given class interval

Here the given class interval of grouped data is 20 - 30

Step 2 of 2 :

Find the lower class limit

For the class interval 20 - 30

Lower end value = 20

Upper end value = 30

Thus we can conclude that ,

Lower class limit = 20

Upper class limit = 30

Hence lower class limit = 20

Therefore the correct option is 20

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