Question 16:
If the third quartile is 42 and the interquartile range is 30 then, the value of first quartile is
O 10
0 22
O 32
O 12
Answers
SOLUTION
TO CHOOSE THE CORRECT OPTION
If the third quartile is 42 and the interquartile range is 30 then, the value of first quartile is
- 10
- 22
- 32
- 12
CONCEPT TO BE IMPLEMENTED
The interquartile range is defined as the difference between third quartile and first quartile
EVALUATION
Here it is given that the third quartile is 42 and the interquartile range is 30
Now
Interquartile range = Third quartile - First quartile
⇒ 30 = 42 - First quartile
⇒ First quartile = 42 - 30
⇒ First quartile = 12
FINAL ANSWER
Hence the correct option is 12
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