Data awareness
Q1. Which of the following is the correct logical order for these terms?
- Knowledge - Data - Information
- Data - Information - Knowledge
- Knowledge - Information - Data
- Information - Data - Knowledge
Q2. What is Australia's official population count?
- Census
- Estimated Resident Population
- Labour Force Survey
- Population 101
Understand statistical concepts
Q3. Which of the following is not a measure of central location?
- mean
- range
- median
- quartiles
Q4. A local milk-bar owner records how many customers enter the store over a 5 day period. The number of customers is as follows: 20, 21, 23, 21, 26. What is the mode of this survey?
- 20
- 21
- 23
- 26
Q5. Complete the following. ___________ is the process of estimating and then removing from a time series influences that are systematic and calendar related.
- Trend
- Stock series
- Seasonal adjustment
- Flow series
Analyse, interpret and evaluate statistical information
Q6. If a company has a workforce of 2,700 people, and a sample of 300 people were to be systematically surveyed, what would the sampling interval be?
- 300
- 90
- 30
- 9
Q7. Assume that the population of a school is 2,000. A survey found that only 30% of students in the school exercised on a regular basis. How many students exercise regularly?
- 2,600 people
- 1,400 people
- 6 people
- 600 people
Q8. Based on the table of figures below, what is the total unemployment percentage for March, rounded to a whole number?
 | Labour Force Population | Unemployment rate |
| Male | 53,000 | 6% |
| Female | 58,000 | 8% |
| Total | 111,000 | ? |
- 14%
- 7%
- 67%
- 5.5%
Communicate statistical information and understandings
Q9. When communicating statistical information regarding house prices, what would be the most accurate way to represent these?
- Median
- Mean
- Mode
- Average
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This page last updated 3 May 2010 | 
