Same chapter3 marksDifficulty: Medium
Define the range of a set of observations and find the range of 14, 9, 22, 5 and 18.
Statistics
3 marksDifficulty: Medium
The mean of five numbers is 18. If one number is excluded the mean of the remaining four is 16. Find the excluded number.
Original Khojo Papers practice question — not from a past board paper.
Answer
26
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The total of the five numbers is 90 and the total of the remaining four is 64, so the excluded number is 26.
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