Answer each of the following items by editing the document to
enter your answer in the identified answer locations shown by
??.
- Shown below is the GPA distribution for the population of all
MSU sophomores and for a sample of 60 sophomores. Your task is to
determine if this sample can be considered to be representative of
the population. Fill in your answers where you see the question
marks below.
- (4 points) Give your obtained value of the test statistic =
??
- (2 points) Give the critical value of the test statistic for
the .05 level of signficance = ??
- (2 points) Is the sample representative of the population?
(Type YES or NO) ??
GPA Categories Population % Sample fo
3.0-4.0 18.5% 17
2.0-2.99 52.3% 23
1.0-1.99 22.7% 15
0-0.99 6.5% 5
N = 60