Statistical Investigation (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What acronym helps remember the four steps of a statistical investigation?
What acronym helps remember the four steps of a statistical investigation?
COSA
Which data collection method gathers info from every member of the entire population?
Which data collection method gathers info from every member of the entire population?
Census
Which is NOT one of the four data quality factors that must be ensured?
Which is NOT one of the four data quality factors that must be ensured?
Simplicity
Why would surveying only sports class students about favourite sport produce biased results?
Why would surveying only sports class students about favourite sport produce biased results?
Sample not representative of all students
Which visual display shows relationships between two numerical variables?
Which visual display shows relationships between two numerical variables?
Scatterplot
What does the median represent in a dataset?
What does the median represent in a dataset?
The middle value when data is ordered
When analysing bivariate data, which three aspects must you determine?
When analysing bivariate data, which three aspects must you determine?
Form, Direction, Strength
What term describes making predictions beyond the data range?
What term describes making predictions beyond the data range?
Extrapolation
What acronym helps remember the four ethical issues in statistical investigations?
What acronym helps remember the four ethical issues in statistical investigations?
BACP
Why doesn't correlation between mobile phone use and life expectancy prove causation?
Why doesn't correlation between mobile phone use and life expectancy prove causation?
Both increased together but aren't causally related