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14-02-2020
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The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of 5 grams. We calculated the value of z for a specific box of this brand of cereal, and the z value was negative. This negative z value indicates that:

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14-02-2020

Answer:

The negative z value indicates that the population mean is greater than the sample mean

Explanation:

z is calculated using the expression (sample mean - population mean) ÷ sd/√n

z is negative if the value of the population mean is greater than the value of the sample mean.

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