Question

A recent article in a leading magazine claimed that the homemakers

spend an average of 22 hours per week preparing meals. A director of

marketing at a food-processing company surveyed that a recent sample

of 28 homemakers resulted in an average time preparations of meals of

17.5 hours per week, with a standard deviation of 4.3 hours. Can the

director conclude that the average preparation of meals is lesser? Use

0.05 significance level​

Answer 1

Answer:

marketing at a food-processing company surveyed that a recent sample

of 28 homemakers resulted in an average time preparations of meals of

17.5 hours per week, with a standard deviation of 4.3 hours. Can the

director conclude that the average preparation of meals is lesser? Use

0.05 significance level