Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
- 1Conditional Probability3 marks
28 students study Spanish and 9 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 13, lower quartile 17, median 20, upper quartile 29 and maximum 33. Work out the interquartile range.
- 3Standard Form3 marks
Work out (9 x 10^7) / (3 x 10^5). Give your answer in standard form.
- 4Inequalities on Graphs3 marks
Does the point (4, 8) satisfy y > x + 8?
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 54. Work out y when x = 6.
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