Same chapter3 marksDifficulty: Medium
Find the median of 12, 7, 15, 9, 20, 11 and 18.
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1 markDifficulty: Medium
If every observation of a set is multiplied by 3, the mean is:
- aunchanged
- bmultiplied by 3
- cincreased by 3
- ddivided by 3
Original Khojo Papers practice question — not from a past board paper.
Answer
multiplied by 3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The total is multiplied by 3 while the number of observations is unchanged.
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