Vol. 6, No. 8
from Professor Cleary
It is clear that Marge Orrine has no clue about the meaning of her formula, impressive as that formula seems.
The concept of standard deviation reflects the amount of variability in the data:
is how Marge came up with a standard deviation of 3:
Step 2: Determine the sum of the squared deviations of the mean:
Maybe Marge will read this quiz to improve her understanding of standard deviation. She might also consider a more complete video explanation of standard deviation.
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