0580 · Notes & worked examples
Check a final answer, then explain the reasoning on paper. Guest progress stays in this browser; an account saves future checks without overwriting your first result.
Recall
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
Classify preferred school subject.
Choose one answer.
Fresh review variant
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
Classify number of siblings.
Choose one answer.
Method
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
A table has 11 observations in one category and 3 in another. Find its total frequency.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Fresh review variant
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
A table has 12 observations in one category and 4 in another. Find its total frequency.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Apply
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
Of 60 measurements, 12 are excluded. How many remain?
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Fresh review variant
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
Of 65 measurements, 13 are excluded. How many remain?
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Check understanding
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
A two-way table has row totals 13 and 15. Find the grand total.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Fresh review variant
Maths4U Original · Short practice
Consider the data situations described in each question. Categories and measurements have their ordinary statistical meanings.
A two-way table has row totals 6 and 18. Find the grand total.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.