Mathematics

1The number of children in some families is shown: 1 child (f = 4), 2 (f = 5), 3 (f = 2), 4 (f = 7), 5 (f = 3). Find the mean number of children, to 2 decimal places.

2The class with the highest frequency in grouped data is the

3A pie chart shows the favourite foods of 36 pupils. Jollof rice has an angle of 120°. How many pupils chose jollof rice?

4In a pie chart of 36 learners, the sector for 7 learners has an angle of ___°.

5In a bar chart, the height of each bar shows

6If each of the numbers 3, 5, 7 is increased by 2, the mean

7In a survey of 40 pupils, 10 chose football. What angle represents football on a pie chart?

8In a frequency table, the mean is Σfx ÷ Σf.

9In a pie chart of 36 learners, the sector for 5 learners has an angle of ___°.

10The number of children in some families is shown: 1 child (f = 1), 2 (f = 7), 3 (f = 7), 4 (f = 8), 5 (f = 6). Find the mean number of children, to 2 decimal places.