Q. 46

# In question, fill in the blanks to make the statements true.

The sixth class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is __________.

Answer :

35 – 40

First interval = 10 – 15

Second interval = 15 – 20

Clearly,

Size of class interval = 5

Therefore,

Third interval = 20 – 25

Fourth interval = 25 – 30

Fifth interval = 30 – 35

Sixth interval = 35 – 40

Hence, the sixth-class interval for a grouped data whose first two class intervals are 10 – 15 and 15 – 20 is 35 – 40.

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