topic badge

3.035 Pareto charts

Interactive practice questions

Susana attached an energy metre to the household items that use electricity to determine how much each contributes to her quarterly electricity bill.

The results are shown in the Pareto chart.

a

What was her total quarterly electricity bill?

b

How much more did the air conditioner cost to run than the oven?

c

What percentage of the total bill was due to the oven? Round your answer to the nearest whole percentage.

d

Which single source of electricity cost would Susana need to stop using to reduce her bill by approximately $10%$10%?

Note, $10%$10% is given to the nearest percent.

lighting

A

water heater

B

kitchen appliances

C

air conditioner

D
Medium
2min

A family analysed how much of their net monthly income goes towards various expenses. The Pareto chart shows the results.

Medium
4min

The Pareto chart shows the major reasons flights were delayed at an international airport over a one month period.

Easy
1min

Bill caught the train and noted what activity each person in his carriage (excluding himself) was doing between the next two stops. The Pareto chart shows the results.

Easy
2min
Sign up to access Practice Questions
Get full access to our content with a Mathspace account

Outcomes

MA12-8

solves problems using appropriate statistical processes

What is Mathspace

About Mathspace