# 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 3:

7	1	stemplot of test scores
2	five numer summary and stemplot of test scores
3	histogram for test scores
[4]	median and mean
5,6	constructing some examples
[7]	boxplot and 5-number summary
12,13	median and mean
[14-17] thinking about shape
19	min/max in bell-shaped data
20 [23]	when to use stemplots, boxplots, histograms
24	find and describe a data set
[27]	shape of data sets (make examples)

8	6,7	normal curve basics
8,9	percentile tails
12	normal distributions and 5-number summary
17	election polling
19	how tall are you?
20	mean healthy temperature
[14-18] some extra problems

Homework 4:

9	2	real estate sales pictograms
3	word length frequency
5	rising postal rates -- another problem with graph
[6,7]	parents/putting -- extra problems
8	violent crime -- getting worse?
9 or 11	find picture [9 TWICE or 11 once]
10	blood types

12	1	can you make a contingency table from this information?
2	rate -> percentage
3	percent -> proportion, risk, odds
4	religion, social activities and death (relative risk)
7	ESP odds
9 	seen a ghost?
(10)	what kind of number?
15,16	pet birds and lung cancer
17	oops, dropped my pencils

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