Civil Service Numerical Reasoning Test Data Interpretation 3

Question 1

A graph shows that train punctuality improved from 82% to 91%. By how many percentage points did it improve?

Accepted Answer

9

Answer

91% − 82% = 9 percentage points. Note: this is a difference in percentage points, not a percentage change.

Question 2

A table shows that 1,200 items were produced in January. In February, production fell by 5%. How many items were produced in February?

Accepted Answer

1,140

Answer

5% of 1,200 = 60. February production = 1,200 − 60 = 1,140.

Question 3

A pie chart shows spending: Staff 55%, IT 20%, Premises 15%, Other 10%. Total budget is £400,000. How much is spent on IT?

Accepted Answer

£80,000

Answer

20% of £400,000 = 0.20 × 400,000 = £80,000.

Question 4

A line graph shows four data points: 15, 22, 19, 28. What is the range?

Accepted Answer

13

Answer

Range = highest − lowest = 28 − 15 = 13.

Question 5

A table shows customer complaints per month over 6 months: 12, 8, 15, 10, 9, 14. What is the total?

Accepted Answer

68

Answer

12 + 8 + 15 + 10 + 9 + 14 = 68.

Civil Service Numerical Reasoning Practice Test