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In statistics what is mean?

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Rshrff ∙

Lvl 1
∙ 16y ago
Updated: 8/17/2019

The "mean" in statistics is the average of all the observations in a data set; or,

mean = (sum of all observations) / (number of observations)

Example:

I weigh 5 rocks and get the following results:

1kg 2kg 3kg 4kg 5kg

The average weight of these rocks is: (1+2+3+4+5)/5 = 3 kg

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∙ 16y ago
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