Same chapter3 marksDifficulty: Medium
The mean of 6 numbers is 20. If one number is removed the mean of the rest is 22. Find the number removed.
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3 marksDifficulty: Medium
Find the mean, median and mode of 5, 7, 7, 8, 9, 10, 12.
Original Khojo Papers practice question — not from a past board paper.
Answer
Mean 8.29 approximately, median 8 and mode 7.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The sum is 58 over 7 observations. The values are already in order, so the median is the fourth, and 7 is the only value that occurs twice.
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