Question

Please match the correct test to each of these scenarios:

A manufacturer of nails is interested in determining if their nails are meeting specifications. A sample of 100 nails was taken. Is the average length of the nails longer than 3 inches?

A political action group wonders if college graduates are more likely to support increased penalties for repeat offenders than are those without college degrees.

Does eating breakfast improve productivity? In a Guess jeans factory, the workers of one sewing crew of 20 are fed a hearty breakfast for a month and then the same sewing crew of 20 is asked to go without eating until lunch time for another month. The team's productivity is compared for the two months.

A.	One-sample t-Test
B.	Independent samples t-Test
C.	Dependent samples t-Test

Answer 1

Solution

A manufacturer of nails is interested in determining if their nails are meeting specifications. A sample of 100 nails was taken. Is the average length of the nails longer than 3 inches >>>> One sample t test A political action group wonders if college graduates are more likely to support increased penalties for repeat offenders than are those without college degrees >>> Independent sample t test Last >>> Dependent sample t test