Daily Practice

Foundation Plus

21st June 1953

5 questions · 11 marks · Grades 4-6 · 128 question types in this band

1
Real Life and Distance Time Graphs2 marks
Callum drives 160 km in 2 hours. Work out the average speed in km/h.
2
Vectors2 marks
a is the column vector (-3, -7) and b is (1, 6). Work out a + b as a column vector.
3
Probability Trees3 marks
2 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 10, lower quartile 12, median 21, upper quartile 26 and maximum 30. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 15 when truncated to the nearest whole number. Write down the error interval for y.

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