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A child, (and mathematical genius!) wishes to estimate the variability in the number of candies he can collect from houses during trick-or-treating. He randomly selects

A child, (and mathematical genius!) wishes to estimate the variability in the number of candies he can collect from houses during trick-or-treating.

He randomly selects asampleof 20 houses, and records the number of candies he gets at each:

# Candies 0,1,2,3,4

# Houses3,8,3,3,3

Find the sample variance he calculates using this data.

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