Foundation
27th March 1987
- 1Averages2 marks
Here are 6 numbers: 14, 22, 14, 22, 14, 22. Work out the mean.
- 2Stem and Leaf2 marks
A stem and leaf diagram has a single stem 3 with the leaves 0, 1, 4, 8, 9. Work out the median of the five values.
- 3Error Intervals2 marks
A number y is 18 when truncated to the nearest whole number. Write down the error interval for y.
- 4Drawing Linear Graphs2 marks
A line has equation y = 2x - 4. Work out the y coordinate of the point on it where x = -3.
- 5Scale Drawings2 marks
A map has a scale of 1 : 50000. Two villages are 9 cm apart on the map. How far apart are they in real life, in km?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of March 1987, including the monthly compilation PDF.