Paper 4 (9164, Section A) · November 2012 · Descriptive Statistics
A group of 50 children raised money for charity. The amount raised by each child, to the nearest dollar ($), is recorded in the table.
| amount ($) | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 | 21 - 25 | 26 - 30 |
|---|---|---|---|---|---|---|
| number of children | 20 | 10 | 5 | 6 | 8 | 1 |
State the smallest possible amount which may have been raised by one child.
Model answer
$0,50
Also accepted: 0,50, $0.50, 0.50, 0,5, 0.5, 50 cents, $0,5, $0.5
Explanation
The amounts were recorded to the nearest dollar, so a child recorded in the lowest class, 1 - 5, could really have raised anything from the lower class boundary upwards. The lower boundary of the class 1 - 5 is , so the smallest possible amount is $0,50.
Derived from ZIMSEC Statistics Paper 4, November 2012, Q1