the following data set represents exam points and beer consu

the following data set represents exam points and beer consumption for a sample of students in a learning and performance experiment points 6, 5, 5, 4,,3,3,3, 2,1,1,0 beer 0,1,2,2,2,3,4,4,4,5,6 .

a. sociologist suggests that beer consumption has a negative impact on performance graph the data under this hypothesis and determine a linear function that fits most of the data.

b. calculate anova table and determine the variance of grades first without the hypothesis and second with hypothesis

c. do you think that beer consumption influences grade performance . what grade would you expect if you consume a six pack of beer.

Solution