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Here are some questions to consider, which may help you to make sense of the graphs:
Thanks to Alan Parr for suggesting this problem.
Choose any three by three square of dates on a calendar page...
Nine cross country runners compete in a team competition in which there are three matches. If you were a judge how would you decide who would win?
Baker, Cooper, Jones and Smith are four people whose occupations are teacher, welder, mechanic and programmer, but not necessarily in that order. What is each person’s occupation?