The fill weight of a certain brand of adult cereal is normally distributed with a mean of 910 grams and a standard deviation of

Question

2 years ago

6

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:

1 answer:

Elza [17] · Answer 1 · 2022-05-20T05:51:23+03:00

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.