Daily Practice

Foundation

11th October 2024

5 questions · Foundation tier · 282 questions in this band

1
Comparing Data Sets
Class A has a mean test score of 62 and Class B has a mean of 58. Which class did better on average?
2
Combined Mean
A class of 15 students has a mean score of 30. When combined with another class of 25 students, the combined mean of all 40 students is 40. Find the mean score of the second class.
3
Designing Questionnaires and Surveys
Explain why a pilot survey should be carried out before the full survey is sent out.
4
Experimental Design
Give one reason why participants should be assigned to groups at random.
5
Median Quartiles and IQR
Find the median of: 3, 5, 8, 10.

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