Applied Statistics STA3162
Assignment 7
March 29, 2011
PROBLEM 1:
A sample of 20 batteries was taken from a factory assembly line. The batteries were tested and their
lifetime (in hours) was measured. The data is listed below:
1.7 3.3 5.1 6.9 12.6 14.4 16

APPLIED STATISTICS HOMEWORK 2 DUE Wednesday 2/26/11
Problem 1
Question 2.34 from text page 47. For part c, sketch a bar graph instead.
Problem 2
Question 2.60 from text page 59. Complete data set is given on the last page.
Problem 3
Question 2.90 from tex

Homework # 1
I chose the article Comparison of Organochlorine Chemical Body Burdens of Female
Breast Cancer Cases with Cancer Free Women in Porto Alegre, Rio Grande do Sul, Brazil Pilot
Study. All quoted material in this paper is taken from this article.

APPLIED STATISTICS HOMEWORK 3 DUE Wednesday 2/2/11
Problem 1.
The gender distribution of the students of an Applied Statistics class
is given below:
Gender
Male
Female
Count
31
19
Using SAS, portray the distribution by a bar chart and pie chart.
Problem 2

Homework 4 Problem 1 Part A
FREQUENCY of WellClass
Private
103
46.19%
120
53.81%
Public
Homework 4 Problem 1 Part A
FREQUENCY of Aquifer
Bedrock
201
90.13%
22
9.87%
Unconsol
Homework 4 Problem 1 Part A
FREQUENCY of Detection
BelowLim
153
68.61%
70
31.39%

data mbte;
title 'Homework 4 Problem 1 Part A';
infile "H:\meg.txt" dlm='09'x;
input pH DissOxy Industry WellClass $ Aquifer $ Depth Distance Detection $ MTBE;
proc gchart data=mbte;
pie WellClass/discrete value=inside percent=inside slice=outside;
run;
p

data sales;
input Month $ dollars;
label dollars = "Sales (In thousands of dollars)";
cards;
January 120
February 125
March 126
April 120
May 130
;
proc print data=sales label;
title 'Megan Stokes Homework 2 Problem 4';
run;

Megan Stokes Homework 3 Problem 1
FREQUENCY
40
30
20
10
0
female
male
Gender Distribution of Applied Stats class
data gender;
input sex $ count;
label sex="Gender Distribution of Applied Stats class";
cards;
male 31
female 19
;
title "Homework 3 Problem 1

Homework 2 Problem 4
2
13:03 Tuesday, January 25, 2011
Obs
1
2
3
4
5
Sales (In
thousands of
Month
dollars)
January
February
March
April
May
120
125
126
120
130
data sales;
input Month $ dollars;
label dollars = "Sales (In thousands of dollars)";
cards;
Ja

Megan Stokes Homework # 2
1
13:03
Tuesday, January 25, 2011
Obs
1
2
3
4
5
Month
January
February
March
April
May
Sales (In
thousands of
dollars)
120
125
126
120
130