Answer:
Step-by-step explanation:
you can round the numbers
27/3= 9
27.36 rounds down to 27 and 3.14 rounds to 3
Answer:
-3, 9
Step-by-step explanation:
The constant is 4.
Answer:n
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Step-by-step explanation:
Variance of a continuous random variable X is defined as
Standard deviation is defined as

Hence standard deviation is the positive square root of variance.