Daily Practice
Foundation
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15th January 1973
- 1Averages3 marks
Finlay has 5 scores with a mean of 18. Scores 20, 16, 22, 18 are known. Work out the missing score.
- 2Averages from Frequency Tables3 marks
In a survey 4 households own 1 car, 4 own 2 cars and 3 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 3Error Intervals2 marks
A number y is 28 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 15, 9, 3, -3, ...
- 5Percentages2 marks
Work out 75% of 260.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1973, including the monthly compilation PDF.