Calculate Pearson's r and the best-fit linear regression equation for the following two variables.

9

Nic wants to know if students' grades in Quantitative Statistical Analysis I are influenced by class attendance and/or students' grade level. Thus, Nic recorded the statistics grades for each student (traditional 0 to 100%) and put them in the table below.

a.      State in words the null and alternative hypotheses.

b.     What are is the df (should be 5 df's)? What is the critical F's (should be 3)?

c.      What are the values of your observed F's (should be 3)?

d.     Based on the above information, would you reject H0, or fail to reject it? Why? What would your conclusions be?