Daily Practice

Higher

6th February 1954

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
23 students study Spanish and 8 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 15, lower quartile 20, median 30, upper quartile 38 and maximum 47. Work out the interquartile range.
3
Bounds2 marks
A mass is 23.8 kg, correct to 1 decimal place. Write down the upper bound.
4
Drawing Quadratic Graphs2 marks
For the curve y = x^2 - 4x - 5, work out y when x = 4.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 3, y = 36. Work out y when x = 4.

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