Exam style questions - Hodder Plus Home

Exam questions: Unit B
Now try these exam questions
1 The table shows the amount of coal used in blast furnaces and the iron produced in the years before the
Second World War.
Year Coal used (million tons) Iron produced (million tons)
1929 14.5 7.6
1930 11.7 6.2
1931 7.1 3.8
1932 6.5 3.6
1933 7.4 4.1
1934 10.5 6.0
1935 10.8 6.4
1936 12.8 7.7
1937 14.8 8.5
1938 11.6 6.8
a Plot these data on a scatter graph. [3]
Iron produced (million tons)
9
8
7
6
5
4
3
6 8 10 12 14 16
Coal used (million tons)
b Draw a line of best fit. [1]
c i How much iron would you expect to be produced using 15 million tons of coal [1]
ii Why would it be unwise to use the graph to predict values for 1947 [1]
2 The table shows data about cinemas in 10 towns, all approximately the same size.
Number of screens 16 13 19 12 19 21 18 15 20 16
Weekly admissions
(thousands)
9.5 7.8 11.0 7.3 12.4 12.3 9.8 7.7 11.5 8.5
38 Revision Notes © Hodder Education 2011