Daily Practice

Foundation

16th July 2024

5 questions · Foundation tier · 282 questions in this band

1
Estimating from Samples (Foundation)
A random sample of 50 packets of crisps from a production run of 8000 found 3 were underweight. Estimate how many packets in the whole run are underweight.
2
Spreadsheets and ICT (Foundation)
Which formula finds the highest value in the range E1 to E30?
3
Stratified Sampling (Foundation)
A company has 60 male and 90 female employees (150 total). A stratified sample of 30 employees is taken. How many males should be sampled?
4
Pilot Surveys (Foundation)
A pilot survey shows that many respondents left a question blank. What might this suggest about the question?
5
Recognising Misleading Graphs (Foundation)
A pie chart is drawn showing 3 sectors that look visually equal in size, but the data is 50%, 30% and 20%. What is wrong?

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