Daily Practice

Higher

29th December 2025

5 questions · Higher tier · 360 questions in this band

1
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.
2
Experimental Design
What is a control group used for?
3
Median Quartiles and IQR
For the ordered data 2, 4, 5, 7, 8, 9, 11, 13, 14, find the lower quartile (Q1) and upper quartile (Q3).
4
Index Numbers
A base year value is 40 and this year's value is 50. Find the index number.
5
Frequency Tables and Tally Charts
A tally shows 4 full groups of five plus 2 extra marks for one category. What is the frequency?

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