Question

magine you are the operations manager for the Nestle factory at Homebush, which produces the Nescafe Blend 43 range of coffees. It is your responsibility to ensure that the average weight of the contents of the coffee jars is at least that specified on the label. To determine whether this is the case, you use evidence collected from quality control samples.

Which of the following correctly specify both the Type I and Type II errors for this type of test?

A.)Type I - you conclude that the average weight of contents is at least that specified on the jar when in fact this is not the case

Type II - you conclude that the average weight of contents is less than that specified on the jar when in fact this is not the case

B.)Type I - you conclude that the average weight of contents is at least that specified on the jar and in fact this is the case.

Type II - you conclude that the average weight of contents is less than that specified on the jar, and in fact this is the case.

C.)Type I - you conclude that the average weight of contents is less than that specified on the jar and in fact this is not the case

Type II - you conclude that the average weight of contents is greater than or equal to that stated on the jar when in fact this is not the case

D.)Type I - you conclude that the average weight of contents is greater than or equal to that stated on the jar when in fact this is not the case

Type II - you conclude that the average weight of contents is less than that specified on the jar when in fact this is not the case

Answer 1

TYPE I error is rejecting Ho when it is true

Type II error is accepting Ho when it is false

C.)Type I - you conclude that the average weight of contents is less than that specified on the jar and in fact this is not the case

Type II - you conclude that the average weight of contents is greater than or equal to that stated on the jar when in fact this is not the case