docx, 16.87 KB
docx, 16.87 KB
docx, 14.35 KB
docx, 14.35 KB
pptx, 725.13 KB
pptx, 725.13 KB
pdf, 711.01 KB
pdf, 711.01 KB
Adapted for Australian teachers. Not sure which twitter friend I got this idea from - but thanks and belated credit.
15 'celebrities' that students have to guess the ages of. Then various ideas to see who is best guesser - most right, closest, ... eventually finding standard deviation of their guesses. Some knowledgeable guidance of teacher required!
Creative Commons "Sharealike"

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