Question

please answer all... it all counts as a discussion problem

1a qualitative data and proportions: Suppose you want to compare the popularity of red cars versus black cars at various car dealers. How would you use percentages to make such a comparison?

1b quantitative data and means: suppose you want to compare the gas mileage between American made cars in German made cars. How would you use averages to make such a comparison?

1c two grocery stores claim to have the lowest prices in town. How would you verify which one actually has the lowest price.

1d according to a study by the US Center for disease control the flu rate and people who do not get a flu shot is 2.73% and the route for people who do get the flu shot is 1.18%. They claim the flu shot is 60% effective. How did they arrive at this number?

1e in 1973 the University of California, Berkeley was sued for bias against women because 44% of man applicants were admitted but only 35% of the woman applicants were admitted. The data from the three largest department is sufficient to demonstrate why the lawsuit was dismissed

1f

( MEN ) ( WOMEN )

Depart. App. % admit app. % admit

A 825 62% 108 82%

B 560 63% 25 68%

C 325    37% 593 34%

why did the lawsuit fail?

Answer 1