Every 3 months the arena's musical equipment needs safety checking. Look at a comparison of the last 4 years' service costs.

Mean Range

Year 1 £630 £300

Year 2 £672.50 £80

Year 3 £751.25 £67

Year 4 £597.50 £350

Each year the service was carried out by a different company.

In which year was the service costs the cheapest?

Which year's prices were the most consistent?

Question

Mathematics

Katrina Aguilar

7 March, 12:43

Every 3 months the arena's musical equipment needs safety checking. Look at a comparison of the last 4 years' service costs.

Mean Range

Year 1 £630 £300

Year 2 £672.50 £80

Year 3 £751.25 £67

Year 4 £597.50 £350

Each year the service was carried out by a different company.

In which year was the service costs the cheapest?

Which year's prices were the most consistent?

+2

Answers (1)

Know the Answer?

Emerson Hartman · Answer 1

The cheapest service would be the year in which the mean was the lowest. In Year 4, the mean was the lowest.

The most consistent service would be the year in which the range was the lowest. In Year 3, the range was the lowest.