Same chapter3 marksDifficulty: Medium
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3 marksDifficulty: Medium
The mean of 8 observations is 25. If one observation of 30 is removed, find the mean of the remaining observations.
Original Khojo Papers practice question — not from a past board paper.
Answer
24.29 approximately
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The total of the eight observations is 200. Removing 30 leaves a total of 170 over 7 observations, so the new mean is 170 ÷ 7 ≈ 24.29.
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