In A Class Of Students In Which Everyone Is Exactly 24 Years Old, The Variance Would Be: 1. Approximately 1 , 2. Exactly 0, 3.Between 0 And 1, 4. Impossible To Determine Without More Information?
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The variance, which is the average of the squares less the square of the average, would be exactly zero.
n*(242)/n - (n*24/n)2 = 0
n*(242)/n - (n*24/n)2 = 0
1
0
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