n alone does not standard deviation of $1 would be The to store in the price of
ID: 2948961 • Letter: N
Question
n alone does not standard deviation of $1 would be The to store in the price of an ice cube tray. On the other hand, a standard deviation of $1 would be considered small If it is particular brand standard deviation as a percentage of the mean. It is defined by the formula CV- 100(s/). Consider two samples. Sample contents of cans of pet food labeled as having weight of 50 ib. There are weights for the two samples. store-to-store variability in the price of a of freezer. A quantity designed to give a relative measure of variability is the coefficient of variation, Denoted by CV, the coefficient of variation ex presses the 1 gives the actual a net weight of 8 oz. Sample 2 gives the actual weight (in pounds) of the contents of bags of dry pet food labeled as having a net 6.6 6.2 5.8 5.8 5.2 Sample 2 52.7 52.6 5251.5 50.8 47 50.450.3 48.7 48.2 (a) For each of the given samples, calculate the mean and the standard deviation. (Round all intermediate calculations and answers to five decimal places.) Mean For sample 2 Standard deviation 20Explanation / Answer
a)
Sample 1
Mean = 5.93
std. dev. = 0.4596
Sample 2
Mean = 50.42
std. dev. = 1.9252
b)
CV1 = 100*(0.4596/5.93) = 7.75
CV2 = 100*(1.9252/50.42) = 3.82
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