Scatter diagrams (AQA GCSE Statistics): Flashcards
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Practise the cards
10 cards from this deck
What is the role of the explanatory variable in a scatter diagram?
What is the role of the explanatory variable in a scatter diagram?
It is the independent variable on the x-axis.
How do you identify the response variable in a scatter diagram?
How do you identify the response variable in a scatter diagram?
It is the dependent variable on the y-axis.
What does a strong positive association look like?
What does a strong positive association look like?
Points form a clear upward trend on the scatter diagram.
What indicates a strong negative association in data?
What indicates a strong negative association in data?
Points form a clear downward trend on the scatter diagram.
How should you label axes in a scatter diagram?
How should you label axes in a scatter diagram?
Include variable names and units for clarity.
What is a common mistake when creating scatter diagrams?
What is a common mistake when creating scatter diagrams?
Mixing up the x-axis and y-axis variables.
What should you mention when describing associations?
What should you mention when describing associations?
Direction, strength, and any outliers present.
How do you plot data points on a scatter diagram?
How do you plot data points on a scatter diagram?
Mark each pair of values with a cross or dot.
What does a weak association look like in a scatter diagram?
What does a weak association look like in a scatter diagram?
Points are scattered randomly with no clear pattern.
What is the first step in creating a scatter diagram?
What is the first step in creating a scatter diagram?
Identify which variable is explanatory and which is response.