STAT 518 Fall 2015

Homework 5
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NOTE:  Where appropriate, be sure to carefully state both the null and 
alternative hypotheses for all these exercises!!  Also,
carefully write the conclusion of the hypothesis test!

Page 311: Exercise 2 [use either test we discussed for this]

Page 329: Exercise 2

Page 343: Exercise 2

Page 349: Exercise 2 [use kernel regression rather than monotonic regression]

Page 386: Exercise 4

Page 416: Exercises 2, 4 [use randomization approaches]

FOR GRADUATE STUDENTS (extra credit for undergraduates):

Page 417: Problem 2

NOTE:  In these problems, when the text says "Test the hypothesis that ..."
the words that follow are generally describing the NULL hypothesis.
When the text says something like "Look for proof that ..."
the words that follow are generally describing the alternative hypothesis.

NOTE:  If not otherwise stated, you may use alpha=0.05 for the significance level.