Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

3rd October 2009

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
16 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 8, lower quartile 13, median 21, upper quartile 28 and maximum 36. Work out the interquartile range.
3
Bounds2 marks
A mass is 610 kg, correct to the nearest 10. Write down the lower bound.
4
Inequalities on Graphs3 marks
Does the point (0, 3) satisfy y > -4x + 6?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 112. Work out y when x = 8.

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