Daily Practice · Higher

Daily Practice - Higher

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

11th September 2004

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

1
Conditional Probability3 marks
24 students study Spanish and 9 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 10, lower quartile 16, median 23, upper quartile 26 and maximum 33. Work out the interquartile range.
3
Bounds2 marks
A mass is 31 kg, correct to the nearest whole number. Write down the lower 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 = 4, y = 64. Work out y when x = 8.

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