Question: Use the information for Exercise 11 19 a Which class had the

Use the information for Exercise 11.19.
a. Which class had the highest sample mean, and which class had the lowest sample mean? (1 is for freshman, 2 is for sophomore, and so on.)
b. Write out the null and alternative hypotheses for the effect of class on schoolwork.
c. Identify the F-value from the output.
d. Assuming that you found an association between class and school work, would that show that class caused the different levels of school work? Explain.

View Solution:

Sale on SolutionInn
  • CreatedJuly 16, 2015
  • Files Included
Post your question