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6202.0 - Labour Force, Australia, Jun 2004  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 08/07/2004   
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The estimates in this publication are based on information gained from the occupants of a sample survey of dwellings. Because the entire population is not surveyed, the published estimates are subject to sampling error. The most common way of quantifying such sampling error is to calculate the standard error for the published estimate or statistic. For more information, see paragraph 17 of the Explanatory Notes.


LEVEL ESTIMATES

To illustrate, let us say the published level estimate for employed persons aged 15 to 19 is 700,000. The calculated standard error in this case is 9,800. The standard error is then used to interpret the level estimate of 700,000. For instance, the standard error of 9,800 indicates that:

  • There are approximately two chances in three that the real value falls within the range 690,200 to 709,800 (700,000 + or - 9,800)
  • There are approximately nineteen chances in twenty that the real value falls within the range 680,400 to 719,600 (700,000 + or - 19,600).

The real value in this case is the result we would obtain if we could enumerate the total population.


The following table shows the standard errors for this month's level estimates.

AUSTRALIA
NSW
Vic.
Qld
SA
WA
Tas.
NT
ACT
Males
Females
Persons

Aged 15 and over
Employed
Full time'000
18.6
14.1
11.2
5.1
5.5
1.9
1.3
1.8
21.7
16.0
28.9
Part time'000
11.1
8.8
7.9
3.7
4.1
1.4
0.8
1.2
10.5
14.9
17.2
Total'000
22.8
17.1
12.7
5.9
6.1
2.1
1.4
2.1
24.1
21.0
39.0
Unemployed
Looking for f/t work'000
5.0
3.9
3.7
1.8
2.0
0.7
0.5
0.4
6.7
5.6
8.0
Looking for p/t work'000
3.7
2.8
2.6
1.2
1.3
0.4
0.2
0.3
3.8
4.6
5.5
Total'000
5.6
4.4
4.2
2.0
2.2
0.8
0.5
0.5
7.2
6.7
9.1
Labour force'000
23.7
17.6
13.0
6.0
6.2
2.2
1.4
2.1
25.0
21.7
41.2
Not in labour force'000
17.3
13.1
10.3
5.0
5.1
1.9
1.0
1.4
15.8
19.3
25.7
Unemployment rate
Looking for f/t workpts
0.2
0.2
0.3
0.3
0.3
0.5
0.6
0.3
0.1
0.2
0.1
Looking for p/t workpts
0.4
0.4
0.4
0.5
0.4
0.6
1.0
0.6
0.4
0.2
0.2
Totalpts
0.2
0.2
0.2
0.3
0.2
0.4
0.5
0.3
0.1
0.1
0.1
Participation ratepts
0.4
0.4
0.4
0.5
0.4
0.6
1.0
0.8
0.3
0.3
0.3
Aged 15 - 19
Employed
Full time'000
4.1
2.9
3.0
1.3
1.8
0.6
0.3
0.4
5.4
4.4
6.4
Part time'000
5.2
4.1
4.1
1.7
2.2
0.7
0.4
0.6
6.2
6.9
8.5
Total'000
6.0
4.6
4.8
2.0
2.6
0.8
0.5
0.7
7.6
7.6
9.9
Unemployed
Looking for f/t work'000
2.6
1.8
1.8
0.9
1.0
0.4
0.3
0.2
3.0
2.9
4.0
Looking for p/t work'000
2.5
2.0
1.8
0.9
0.9
0.3
0.1
0.3
3.0
3.0
4.0
Total'000
3.3
2.5
2.4
1.2
1.3
0.4
0.3
0.3
4.0
3.9
5.1
Labour force'000
6.3
4.9
5.1
2.2
2.7
0.9
0.5
0.7
8.1
8.0
10.5
Not in labour force'000
5.8
4.6
3.8
1.9
2.3
0.8
0.5
0.6
7.1
6.9
9.1
Unemployment rate
Looking for f/t workpts
2.9
3.3
2.7
4.0
2.7
3.7
7.9
6.7
1.8
2.7
1.4
Looking for p/t workpts
1.5
1.5
1.5
2.2
1.7
2.6
3.8
2.4
1.2
1.0
0.7
Totalpts
1.3
1.4
1.3
1.9
1.4
2.1
4.3
2.2
1.0
1.0
0.6
Participation ratepts
1.4
1.5
1.9
2.1
1.9
2.6
3.9
3.1
1.1
1.2
0.8
Unemployment to population ratio - looking for f/t workpts
0.6
0.5
0.6
0.9
0.7
1.1
2.2
1.0
0.4
0.4
0.3


MOVEMENT ESTIMATES

The following example illustrates how to use the standard error to interpret a movement estimate. Let us say that one month the published level estimate for females employed part time in Australia is 1,890,000; the next month the published level estimate is 1,900,000. The calculated standard error for the movement estimate is 10,300. The standard error is then used to interpret the published movement estimate of 10,000. For instance, the standard error of 10,300 indicates that:

  • There are approximately two chances in three that the real movement between the two months falls within the range -300 to 20,300 (10,000 + or - 10,300)
  • There are approximately nineteen chances in twenty that the real movement falls within the range -10,600 to 30,600 (10,000 + or - 20,600).

The following table shows the standard errors for this month's movement estimates.

AUSTRALIA
NSW
Vic.
Qld
SA
WA
Tas.
NT
ACT
Males
Females
Persons

Aged 15 and over
Employed
Full time'000
9.9
7.6
6.9
3.2
3.9
1.3
1.1
1.0
14.2
11.2
16.4
Part time'000
7.3
5.6
5.1
2.4
2.9
1.0
0.7
0.8
7.7
10.6
11.9
Total'000
11.1
8.5
7.8
3.6
4.4
1.4
1.2
1.2
15.0
13.9
18.5
Unemployed
Looking for f/t work'000
3.9
2.9
2.6
1.3
1.5
0.5
0.4
0.4
5.1
4.3
6.0
Looking for p/t work'000
2.7
2.1
1.9
0.9
1.1
0.3
0.2
0.3
3.0
3.6
4.2
Total'000
4.3
3.2
3.0
1.4
1.7
0.6
0.4
0.4
5.5
5.1
6.7
Labour force'000
11.3
8.7
8.0
3.7
4.5
1.5
1.2
1.2
15.3
14.2
18.9
Not in labour force'000
9.5
7.3
6.4
3.1
3.6
1.3
0.9
0.9
11.0
13.1
15.5
Unemployment rate
Looking for f/t workpts
0.2
0.2
0.2
0.2
0.2
0.3
0.5
0.3
0.1
0.2
0.1
Looking for p/t workpts
0.3
0.3
0.3
0.4
0.4
0.5
0.9
0.5
0.3
0.2
0.1
Totalpts
0.1
0.1
0.1
0.2
0.2
0.3
0.4
0.2
0.1
0.1
0.1
Participation ratepts
0.2
0.2
0.3
0.3
0.3
0.4
0.9
0.5
0.2
0.2
0.1
Aged 15 - 19
Employed
Full time'000
3.1
2.1
2.3
1.0
1.4
0.5
0.3
0.3
4.1
3.4
4.9
Part time'000
4.0
3.1
2.9
1.2
1.6
0.5
0.4
0.5
4.7
5.2
6.4
Total'000
4.5
3.4
3.3
1.4
1.9
0.6
0.4
0.5
5.7
5.7
7.3
Unemployed
Looking for f/t work'000
2.2
1.4
1.4
0.7
0.8
0.3
0.3
0.2
2.5
2.4
3.1
Looking for p/t work'000
2.0
1.6
1.4
0.7
0.9
0.2
0.1
0.2
2.4
2.5
3.1
Total'000
2.6
1.9
1.8
0.9
1.1
0.3
0.3
0.3
3.1
3.1
4.0
Labour force'000
4.8
3.6
3.5
1.5
2.0
0.6
0.5
0.5
6.0
6.1
7.7
Not in labour force'000
4.4
3.4
2.7
1.3
1.7
0.6
0.4
0.4
5.4
5.2
6.8
Unemployment rate
Looking for f/t workpts
2.3
2.6
2.2
3.0
2.3
2.9
6.6
4.8
1.4
2.1
1.1
Looking for p/t workpts
1.1
1.2
1.3
1.7
1.6
2.2
3.3
2.0
1.0
0.8
0.6
Totalpts
1.0
1.0
1.0
1.4
1.1
1.6
3.6
1.8
0.8
0.7
0.5
Participation ratepts
1.1
1.1
1.3
1.5
1.4
1.9
3.3
2.2
0.9
0.9
0.6
Unemployment to population ratio - looking for f/t workpts
0.5
0.4
0.5
0.7
0.6
0.9
1.8
0.8
0.4
0.3
0.2



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