AMS 315
Data Analysis
Solution of Chapter Seven Homework
1. (20)
i.
Test the null hypothesis that against the alternative at the 0.01 level of significance. (10)
X20.01,9 = 21.67
T.S.
Since 11.008 < 21.67 Accept at
ii.
95% confidence interval for (10)
X20
AMS 315, Fall Semester 2011
Solution of Homework Chapter 12
This assignment is due at start of your second examination, Thursday, December 2. The
solutions will not be posted before the examination. The homework assignment consists
of six questions coveri
AMS 315
Data Analysis
Fall Semester, 2011
Chapter Ten Example Examination Questions and Solution
The following questions are given to help you study for the examination. They are not
assigned as homework problems. You may discuss them with the TA or me in
Chapter Eight and Nine Homework Assignment
Due October 27, 2011
There are two parts: problems assigned from your text and example examination
problems. You are responsible for both parts. Of course, you are encouraged to use a
statistical computing packag
AMS 315
Data Analysis
Fall Semester, 2011
Chapter Seven Homework
Assignment due on Tuesday, October 11, 2011
1.
A research team takes a sample of 10 observations from the random variable Y, which has
a normal distribution N ( , 2 ) . They observe y10 = 34
AMS 315, Fall Semester 2011
Homework Chapter 12
This assignment is due at start of your second examination, Thursday, December 2. The
solutions will not be posted before the examination. The homework assignment consists
of six questions covering Simon-Laz
Chapter Eleven Homework
This assignment is due on Tuesday, November 15. The solutions will not be posted
before Thursday evening, November 17.
1. A research team collected data on n = 550 participants. Their dependent variable
was the participants score o
Chapter Eleven Homework Solution
1. A research team collected data on n 550 participants. Their dependent variable
was the participants score on an index of obesity at age 40. The index ranged
from 0 to 50, with a higher score indicating more extensive ob
Homework 1 (Chapters 1 through 6)
1. The probability that a randomly selected individual has a specified medical
condition is 0.05. A screening test for this condition has sensitivity 0.95. That is,
the probability that an affected individual tests positi
AMS 315, Fall 2011
Introduction to Statistical Computing 1
Statistical Programming Languages
A number of computer programs specialize in performing statistical computations: SAS,
R, SPSS, and Minitab among others. Since the SAS program is currently the mo
AMS 315
Data Analysis
Chapter Eleven Study Guide
Linear Regression and Correlation
Fall 2011
Context
The procedures in this chapter provide tools to deal with the association of one
continuous dependent variable and an independent variable.
Chapter Eleven
AMS 315
Data Analysis
Chapter Ten Study Guide
Categorical Data
Fall 2011
10.1 Introduction and Abstract of Research Study
Read for background and context.
10.2 Inferences about a Population Proportion
Y
as the estimate of is fundamental. Know the
n
equat