Daily Practice

Foundation

19th March 2025

5 questions · Foundation tier · 282 questions in this band

1
Types of Data
Is 'height of a plant in cm' discrete or continuous data?
2
Estimated Mean from Grouped Data
Find the midpoint of the class interval 30-50.
3
Sampling Methods
A researcher wants a sample of 50 from a population of 500 using systematic sampling, with a random start of 4. List the first three people selected.
4
Collecting Data
State one advantage secondary data has over primary data for a project on rainfall over the last 50 years.
5
Comparing Data Sets
Data set X has a range of 12 and data set Y has a range of 5. Which data set is more consistent?

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