Foundation
17th January 1983
- 1Averages3 marks
Freya has 5 scores with a mean of 20. Scores 15, 16, 24, 20 are known. Work out the missing score.
- 2Frequency Trees3 marks
130 students were asked how they travel. 50 walked, and of those 15 were late. How many walkers were on time?
- 3Error Intervals2 marks
A number y is 45 when truncated to the nearest whole number. Write down the error interval for y.
- 4Sequences (Nth Term)3 marks
Work out the nth term of the sequence 5, 3, 1, -1, ...
- 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 January 1983, including the monthly compilation PDF.