Daily Practice

Foundation

4th May 2024

5 questions · Foundation tier · 282 questions in this band

1
Collecting Data
State whether interviewing shoppers face-to-face about their favourite supermarket is primary or secondary data collection.
2
Comparing Data Sets
The mean rainfall in April was 45 mm with a range of 20 mm; in May it was 45 mm with a range of 8 mm. Compare April and May.
3
Combined Mean
Group A has 18 items with mean 62. Group B has 22 items with mean 70. Find the combined mean.
4
Designing Questionnaires and Surveys
Give one reason why the response options '0-5, 5-10, 10-15' are a poor choice for hours of homework.
5
Experimental Design
What is meant by the independent variable in an experiment?

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