# Problems and Exercises

All Problems are from the book Seeing Through Statistics by Jessica Utts unless otherwise marked.
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Notation: 	n	manditory problem

(n)	helper problem

{n} 	thought problem

Bracketed problems do not have to be turned in.

Chap	Prob	Description/Notes
====	====	=================

Homework 8

21 	14	is population proportion .25 or greater?
17	what p-value should you use?
18	type 1 and type 2 errors in physicians health study

22	1,2	majority of catholics?
3	one-sided vs. two-sided
9	interpretting a news report
10	interpretting a beta test
15	ESP and image format
16	smoking and pregnancy
17	drinking and driving

Project Outline:
Include answers to the following questions:

0) Who will be in your group?
1) What question are you trying to answer
2) What is the population?
3) What data will you collect?  Think about measurement issues here
4) How will you sample?  What is the sampling frame?
5) How large will the sample be?
Use some fake data to see how large a sample might
be needed to get the results you would like.  Be ambitious
but reasonable.

You can send this to me by email or give me a hard copy in class
tomorrow.

Homework 9

2a	1-sided vs 2-sided
3	AIDS vaccine testing
4ab	drinking and driving
5	drug against shopping impulses?
7	"no difference" and sample size
10 	lack of significance in ESP tests
11	aspirin and strokes
12	lots of tests on same data
[15-17]	big picture

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