Daily Practice
Foundation
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22nd July 1983
- 1Averages2 marks
Here are 7 numbers: 22, 22, 12, 12, 19, 15, 17. Work out the mean.
- 2Scatter Graphs2 marks
A scatter graph plots a phone's age and its resale value. What type of correlation would you expect?
- 3Estimating2 marks
Estimate 308 x 19 by rounding each number to 1 significant figure.
- 4Drawing Linear Graphs2 marks
A line has equation y = -3x + 5. Work out the y coordinate of the point on it where x = 3.
- 5Percentages2 marks
Work out 15% of 100.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of July 1983, including the monthly compilation PDF.