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Catalyst: Can you guess the weight of Uluru?

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Woman stands in front of Uluru
Catalyst: Can you guess the weight of Uluru?

SUBJECTS:  Maths

YEARS:  7–8


What is the "wisdom of a crowd"?

Mathematician Lily Serna investigates a mathematical phenomenon that suggests that if you have a large enough crowd, with a broad variety of people making estimates, then the mean (average) answer of the crowd will be accurate!

Find out if a crowd can guess the weight of Uluru from the ground up.

How much do you think it would weigh?

How could you test this mathematical phenomenon in the classroom?



Date of broadcast: 9 Nov 2018


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