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The Quartile Deviation of the daily wages (in Rs) of 7 persons given below :
12, 7, 15, 10, 17, 19, 25 is
  • a)
    14.5
  • b)
    5
  • c)
    9
  • d)
    4.5
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The Quartile Deviation of the daily wages (in Rs) of 7 persons given b...
Quartile Deviation is defined as the difference between the third and the first quartile of a given data set. In order to find the quartile deviation of the daily wages of 7 persons, we need to follow the following steps:

Step 1: Arrange the data set in ascending order:
7, 10, 12, 15, 17, 19, 25

Step 2: Find the first quartile (Q1) and the third quartile (Q3) of the data set:
Q1 = (n+1)/4th term = (7+1)/4th term = 2nd term = 10
Q3 = 3(n+1)/4th term = 3(7+1)/4th term = 6th term = 19

Step 3: Calculate the quartile deviation:
Quartile Deviation = (Q3 - Q1)/2 = (19 - 10)/2 = 4.5

Therefore, the quartile deviation of the daily wages of 7 persons is 4.5 (option D).
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The Quartile Deviation of the daily wages (in Rs) of 7 persons given b...
Add the daily wages and then divide them by 7
you'll get your ans
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The Quartile Deviation of the daily wages (in Rs) of 7 persons given below :12, 7, 15, 10, 17, 19, 25 isa)14.5b)5c)9d)4.5Correct answer is option 'D'. Can you explain this answer?
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The Quartile Deviation of the daily wages (in Rs) of 7 persons given below :12, 7, 15, 10, 17, 19, 25 isa)14.5b)5c)9d)4.5Correct answer is option 'D'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The Quartile Deviation of the daily wages (in Rs) of 7 persons given below :12, 7, 15, 10, 17, 19, 25 isa)14.5b)5c)9d)4.5Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Quartile Deviation of the daily wages (in Rs) of 7 persons given below :12, 7, 15, 10, 17, 19, 25 isa)14.5b)5c)9d)4.5Correct answer is option 'D'. Can you explain this answer?.
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