The variance can never be
a. zero.
b. larger than the standard deviation.
c. negative.
d. smaller than the standard deviation.
Question 2
A negative dual price for a constraint in a minimization problem means
a. as the right-hand side increases, the objective function value will increase.
b. as the right-hand side decreases, the objective function value will increase.
c. as the right-hand side increases, the objective function value will decrease.
d. as the right-hand side decreases, the objective function value will decrease.
Gram-positive and Gram-negative bacteria.
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How to manually find the mean, variance, and standard deviation for a set of numbers
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