Use the information for Exercise 11.19. a. Which class had the highest sample mean, and which class
Question:
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.
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a The highest sample mean was for the freshmen and the lowest was for the senior...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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