Final Exam Review
ECN329
1. An actuary wanted to develop a model to predict how long individuals will live.
After consulting a number of physicians, she collected the age at death (y), the
average number of hours of exercise per week (), the cholesterol l
ECN 329 Statistics
Hakan Toksoy
Concept of Hypothesis Testing
7
Hypothesis Testing
The Alternative Hypothesis as a Research Hypothesis
The Null Hypothesis as an Assumption to Be Challenged
4
Hypothesis Testing
Summary of Forms
Type I and Type II Errors
Ac
ECN 329 Statistics
Hakan Toksoy
Objective
Hypothesis Testing
Hypothesis Tests: Unknown
Hypothesis Tests: Population Variance
Inference About Means and Proportions with Two Populations
2
Hypothesis Tests: Unknown
Hypothesis Tests: Population Variance
In-cl
The SAS System
14:11 Tuesday, March 17, 2015 13
- sex=1 -The REG Procedure
Model: MODEL1
Dependent Variable: learnings
Number of Observations Read
5643
Number of Observations Used
260
Number of Observations with Missing Values
5383
Analysis of Variance
So
Lecture 8.
Chapter 16 Continued
Simple Linear Regression
&
Correlation
10/31/14
Cathy Ning
1
Using the Regression
Equation
Before using the regression model, we
need to assess how well it fits the
data. are satisfied with how well the
If we
model fits t
ECN329 Midterm Exam Review Questions
1. The Admissions officer for the graduate programs at Michigan State University (MSU)
believes that the average score on the GRE exam at his university is significantly higher
than the national average of 1300. Assume
Lecture 7: Chapter 16
Simple Linear
Regression
&
Correlation
1
16.1 Introduction
In Chapters 16 to 17 we examine the
relationship between interval variables
via a mathematical equation.
The motivation for using the
technique:
Forecast the value of a de