Statistics - Finding Unknowns from Averages and Spread
Statistics - Finding Unknowns from Averages and Spread
IP 2
4 marks
The table below shows the number of books read by a group of students in a week.
| Number of books | \(0\) | \(1\) | \(2\) | \(3\) | \(4\) | \(5\) |
| Number of students | \(5\) | \(12\) | \(4\) | \(x\) | \(3\) | \(2\) |
State the smallest possible value of \(x\) if the median number of books read is \(2\).
[1]If the mean number of books read is \(2\), find the value of \(x\).
[3]
Solution:
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Answer:(a) \(x=9\); (b) \(x=10\).
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