Answer:
Square root of the variance of the "number of daily parking tickets"
Step-by-step explanation:
The Standard Deviation is a measure of how spread out numbers are.
Its symbol is σ (the Greek letter sigma)
The formula is easy: it is the square root of the Variance.
Answer:
36
Step-by-step explanation:
add the total that signed up for chemistry with the total that signed up for english which would be 20+16=36
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