1. Chapter 14: Confidence Intervals: The Basics: Chapter 14 summary and notes.

2. Chapter 15: Tests of Significance: The Basics: Chap 15 summary and notes.

   The Yellowstone Bears problem (former homework). Weigh this carefully! :-)

3. Chapters 18: Inference about a Population Mean: Chap 15 and Chap 18 summary and notes.

4. Chapter 19: Two-Sample Problems: Chapter 19 summary and notes. (Last page of PDF for Chapter 18).

1. Solutions: Exercises 14.30 and 19.34. You received these as a handout out on Handi-Mart Day (oops, 07/11 Wednesday review day).

2. Quiz One solution with extra material on how to find the sample size needed to be 95% confident a difference of the same size in the larger sample allows us to reject the null hypothesis. Mu0 = $46,000 and X-bar = $45,678 with denominator = -322 in the equation.

3. ...

4. ...

Chapter 15 CLICKER questions - see Chapter 15 CLICKER questions for practice and study.

Chapter 15 Power Point used in weeks #1 and #2. YOU HAVE THESE AS A HANDOUT!

CHAPTER 18 
 
Part III students - III FINAL EXAM PRATICE QUESTIONS:
 
                      Exercise 18.5 Critical Values - page 438; 
                               18.7 Ancient Air - page 439; 
                      Exercise 18.9 - page 441.

             (Note:  See page 712 of textbook for correct answers)
              
   See also Powerpoint presentation and SEM (Standard Error of the 
                                                 Sample mean = SEM)
   n - 1 is the "degrees of freedom".
  
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      SEM = s / SquareRoot( n )      SEM = Standard Error of the Mean
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                                           -        -            -
      SEM                                  S        E            M
                                           -        -            -

Summer 2012 - Redo these HOMEWORK problems you did from chapter 18 
  
  18.2 page 434
  18.6 page 438 - part (b) only! 
  18.8 page 441  (Hint: see 18.9)

Chapter 18 Power Point you received as a handout.

Chapter 14 homework - Part II Statistics handout

14.22 More about hotel managers - page 358
14.30 Student study times - pages 360 (a) 99% Confidence Interval
                                          80% Confidence Interval
14.14 Show your work - page 357
14.16 Show your work - see page 707 in back of book for correct answer

Problems and Concepts: Chapter 14 NAEP scores Example 14.1 and Confidence Intervals...

Chapter 14 Power Point...

Clicker questions Chap 14 Power Point... We did 22 of these CLICKER questions as homework (CHAPTER 14).