Aresearcher hypothesizes that undergraduate college students eat fast food more often than graduate students. the researcher selects two random samples (one of undergraduate students and one of graduate students) and has them report how many times they have eaten fast food in the past week. given the following information, determine the proper conclusion for the researcher.

undergraduate students

graduate students

(σx = 8) for undergraduates

2

4

(σ(x-m)2= 5.2) for undergraduates

3

3

2

6

(σx = 28) for graduates

0

7

(σ(x-m)2= 13.34) for graduates

1

3

-

5

1. appropriate test to use:

2. what is your alpha level set to? α =

3. calculate your degrees of freedom: df =

4. one or two-tailed test?

5. determine the critical value(s) (tcrit) =

6. results in correct form: