Aussie Maths & Science Teachers: Save your time with SmarterEd
In Wadonga, there are 29 538 people.
Each day, the average person uses 168 litres of water.
Which of these gives the best estimate for the total number of litres of water used in Wadonga each day?
| `30\ 000 xx 200` | `30\ 000 xx 100` | `30\ 000 ÷ 200` | `30\ 000 ÷ 100` |
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The mean (average) of four numbers is 26.
One more number is added and the mean number becomes 27.
The number added is?
| `26` | `27` | `31` | `53` |
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Lea collects comic books.
She sells some of them.
The selling prices are listed below.
`$5, \ $7, \ $7, \ $7, \ $9, \ $12, \ $12, \ $14, \ $35`
What is their mean (average) price?
| `$9` | `$10` | `$11` | `$12` |
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Curly measures the position of glaciers in the antarctic.
His measurements showed that in 1 full year, a glacier moved 88 cm.
On average, how many centimetres did the glacier move per day?
| `0.24\ text(cm)` | `0.88\ text(cm)` | `1.6\ text(cm)` | `7.3\ text(cm)` |
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This table shows the number of people who visited a war memorial on weekdays over 4 weeks.
What was the mean (average) number of people who attended the war memorial on Fridays?
| `22` | `26` | `27` | `28` |
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In 2015, the population of Australia was estimated at 24 million.
The amount of milk consumed in 2015 was 78 million litres.
The average amount of milk consumed by one person in 2015 was closest to
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`text(0.3 litres)` |
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`text(3 litres)` |
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`text(30 litres)` |
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`text(300 litres)` |
Over 5 games, Ramesh recorded the following scores when playing cricket.
`28, \ 30, \ 33, \ 1, \ 18`
What was his mean score?