Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
11th April 2015
- 1Conditional Probability3 marks
14 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
- 2Box Plots2 marks
A box plot has minimum 3, lower quartile 8, median 14, upper quartile 21 and maximum 23. Work out the interquartile range.
- 3Standard Form3 marks
Work out (63 x 10^7) / (9 x 10^2). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (1, 8) satisfy y > 3x - 2?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 12. Work out y when x = 7.
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