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 CaSQ 32B - Using the Environmental Deviation from the Mean
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Task: Calculating the deviation from the mean
The following table shows the mean value calculated for all students who completed the 2010 CensusAtSchool questionnaire.
1. For each State or Territory, calculate its overall mean.
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| ACT | NSW | NT | QLD | SA | TAS | VIC | WA |
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| 713.4 | 694.6 | 679.2 | 652.6 | 655.2 | 621.7 | 680.3 | 685.9 |
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| 721.2 | 685.8 | 641.2 | 628.3 | 638.0 | 615.4 | 673.9 | 651.3 |
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| 768.4 | 722.2 | 672.6 | 690.0 | 723.3 | 625.1 | 752.1 | 712.0 |
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| 681.3 | 647.8 | 623.6 | 615.5 | 597.5 | 563.6 | 635.5 | 630.5 |
Conserving old growth forests
| 635.2 | 585.2 | 616.5 | 580.0 | 552.8 | 558.3 | 568.3 | 587.8 |
Protecting coastal/marine environments
| 702.7 | 672.9 | 672.8 | 668.2 | 632.5 | 635.3 | 646.5 | 667.1 |
State/Territory Overall mean
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2. For each State or Territory, shade in red the ratings that are below its overall mean.
3. Comment on any patterns or differences you see when you compare the overall mean for each State or Territory and how each rating compares with its overall mean.
4. For your own State or Territory, discuss the results when compared to the other States and Territories and give possible reasons.
Extension:
5. Explain how you would go about collecting evidence for the reasons you gave in question 4.
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To provide any feedback regarding this activity, please contact ABS Education Services on 1800 623 273 or email education@abs.gov.au.
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This page last updated 20 February 2013 | 
