Daily Practice

Foundation

1st September 2024

5 questions · Foundation tier · 282 questions in this band

1
Estimating from Samples (Foundation)
A sample of 80 light bulbs from a batch of 2000 found 4 were faulty. Estimate the number of faulty bulbs in the whole batch.
2
Spreadsheets and ICT (Foundation)
Which spreadsheet formula would you use to find how many values are in the range C1 to C50?
3
Stratified Sampling (Foundation)
A college has 120 Maths students, 80 Science students and 100 English students (300 total). A stratified sample of size 60 is needed. Find the number sampled from each subject.
4
Pilot Surveys (Foundation)
Give one reason a researcher would carry out a pilot survey.
5
Recognising Misleading Graphs (Foundation)
A pictogram uses one whole apple symbol to represent 10 apples sold, but one row shows a half apple symbol with no key given for partial symbols. Why could this be misleading?

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