JEE Main 2021 — Statistics Question with Solution
From: JEE Main 2021 (Online) 25th July Morning Shift
Question
Consider the following frequency distribution :
If the sum of all frequencies is 584 and median is 45, then | | is equal to _______________.
| Class : | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
|---|---|---|---|---|---|
| Frequency : | 110 | 54 | 30 |
If the sum of all frequencies is 584 and median is 45, then | | is equal to _______________.
Enter your answer
Show full solutionCorrect answer: 164
Correct answer
164
Step-by-step explanation
Sum of frequencies = 584
+ = 390
Now, median is at = 292th
Median = 45 (lies in class 40 - 50)
+ 110 + 54 + 15 = 292
= 113, = 277
| | = 164
+ = 390
Now, median is at = 292th
Median = 45 (lies in class 40 - 50)
+ 110 + 54 + 15 = 292
= 113, = 277
| | = 164
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