Higher
27th September 1975
- 1Box Plots2 marks
A box plot has minimum 9, lower quartile 12, median 16, upper quartile 22 and maximum 30. Work out the interquartile range.
- 2The Product Rule for Counting2 marks
A meal deal has 8 mains, 3 sides and 6 drinks. How many different meals are possible?
- 3Inequalities on Graphs2 marks
A region is defined by y <= -x - 2. Should the boundary line be solid or dashed, and why?
- 4Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 108. Work out y when x = 5.
- 5Spheres and Cones3 marks
A cone has base radius 3 cm and vertical height 15 cm. Work out its volume, leaving your answer in terms of pi.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of September 1975, including the monthly compilation PDF.