Recall that 175 accounting students took a pretest on a topic not covered in class and then
Question:
a. Propose a model for the knowledge gain (y) as a function of the qualitative variable, homework assistance group.
b. In terms of the β's in the model, give an expression for the difference between the mean knowledge gains of students in the "completed solution" and "no help" groups.
c. Fit the model to the data and give the least squares prediction equation.
d. Conduct the global F-test for model utility using α = .05. Interpret the results, practically.
e. Show that the results, part d, agree with the conclusions reached in Exercise 9.30.
For information: Refer to the Journal of Accounting Education (Vol. 25, 2007) study of assisting accounting students with their homework, Exercise 9.30.
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Related Book For
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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