37
Statistics 119
Minitab
Assignment #5
Evan Schweigel
Evan Schweigel
Minitab #5
Due: 3/21/06
Class # 37
32182169
37
Introduction
One day a friend proposes a seemingly good-natured, fair wager to you. He pulls
a coin out of his pocket and tells you the r
HW1B
1. Suppose that we were determining the effects of smoking on heart disease. We found that amongst smokers in a
certain age range, a proportion of .6422 with heart disease and amongst non-smokers we had a proportion of .0772 with
heart disease. Deter
Turn in HW 1
Name _
Class Number _
1. Suppose that we were determining the effects of smoking on heart disease. We found that amongst smokers in a
certain age range, a proportion of .4173 with heart disease and amongst non-smokers we had a proportion of .
Homework 20 A
Name_
Class Number_
1. Company A claims that their tires outlast the tires of Company B by more than 10,000 miles. Data has been
collected and summarized below: Test the claim at the .05 level assuming normality and equal variances.
Company
Homework 19 A
Name_
Class Number_
1. A government official wishes to know what percent of the adult population favor a new gun control law. A
referendum is going to be voted on in the next election. For the gun control measure to pass, more than 60% of
th
Homework 16 A
Name_
Class Number _
1. A manufacturer of parts wants to estimate the amount of variation in the manufacturing process. A sample of
12 parts is measured and used to calculate x 197.6 and s .68 . Use this information to determine
a) a 98% con
Metropolitan area
Washington, D.C.
Seattle
Baltimore
Boston
Denver
San Francisco
San Diego
Sacramento
Los Angeles
Chicago
Philadelphia
Minneapolis
New York
Atlanta
Dallas
Phoenix
Portland
Cincinnati
Houston
Columbus
St. Louis
Miami
Detroit
Cleveland
Tampa
Student Number 37 Base 20754
Name Evan Section B
Schweigel
1. Mean= 99.296 Standard Deviation= 6.220
2.
Dotplot of Schw1
84
88
92
96
100 Schw1
104
108
112
3.
Histogram of Schw1
Normal 14 12 10 F requency 8 6 4 2 0
Mean StDev N 99.30 6.22
Student Number 37 Base 20754
Name Evan Section B
Schweigel
Hist ogramof S chw1
Exponential 140 120 10
Mean N 10.16 500
Frequency
100 80 60 40 20 0
0
10
20
30
40 Schw1
50
60
70
Comments
To evaluate the business health as a creditor, I have checked
Existing Debt
Obligations
Cash Flow
Income
Profit
Expenses
:Testing cash liquidity/profitability/efficiency; we shall refer to
:Current ratio -1
To measure Edita's ability to pay off i