Stage 8 - Q1 - 2 marks
Classify the number of postcards collected by a pupil.
Hint
Decide whether this is counted, measured or labelled.
Stage 8 - Q2 - 2 marks
Classify the flavour of a drink chosen at a cafe.
Hint
Think about whether addition of the answers would make sense.
Stage 8 - Q3 - 2 marks
A thermometer records 18.4°C. Classify the underlying variable.
Hint
Consider values between 18.4 and 18.5.
Stage 8 - Q4 - 2 marks
A survey records a pupil’s year group and weekly reading time. Classify both variables.
Hint
Numerical labels are not always quantities.
Stage 8 - Q5 - 2 marks
You want to know which entrance pupils use. Choose a collection method and justify it.
Hint
Would an observation or a remembered opinion better answer this question?
Stage 8 - Q6 - 2 marks
Design column headings to compare plant height with watering frequency.
Hint
Each row should describe one plant with both variables.
Stage 8 - Q7 - 2 marks
A learner rounds every journey time to 10 minutes. Explain one loss of information and one improvement.
Hint
Imagine journeys of 12 minutes and 14 minutes.
Stage 8 - Q8 - 2 marks
A book study compares words per sentence. Explain a rule needed for abbreviations and punctuation.
Hint
The unit being counted must be defined consistently.
Stage 8 - Q9 - 2 marks
A table has only total club attendance on Monday and Friday. Can it show whether younger pupils attend more often? Explain what is missing.
Hint
Ask whether each age is connected to an attendance value.
Stage 8 - Q10 - 5 marks
Challenge: plan a fair test of whether larger paper spinners fall more slowly. State the data, measurement rule, controls and repeats.
Hint
Separate what you change, what you measure and what you keep constant.