DSC 203 Quiz 3Take Home
This quiz will give you some familiarity using statistical software to perform regression analysis.
You will utilize Minitab statistical software. Minitab is available on all of the computers in FSB
Chapter 14: Multiple Regression
We employ more than one independent (predictor) variable in the prediction equation.
Section 14.1: The Multiple Regression Model and the Least Squares
Example: Tasty Sub Shop Case
y = yearly revenue (thousands o
Introduction to Regression Analysis
We wish to study the relationship between 2 or more variables
y = the dependent variable
x = independent (predictor) variable
We wish to predict y on the basis of x.
y = sales of a product
x = pric
Chapters 14 and 15: Reading Assignments and Exercises
Section 14.1: The Multiple Regression Model and the Least Squares Point Estimates
Exercises 14.4*, 14.5
Section 14.2: Model Assumptions and the Standard Error (pages 591-593)
DSC 203 Chapter 17 Assignments
Chapter 17: Assignment 1
Read Sections 17.1 through 17.4
Do exercises 17.3 (a) and (b), 17.9 and 17.10
These will be checkoff exercises.
Chapter 17: Assignment 2 (Graded Exercise)
Do Exercise 17.12
Chapter 17: Assignment 3
21 September 2011
Quiz #3 Memo
After analyzing the data for the top 50 colleges, according to www.usnews.com, I have
calculated a regression model that best suits the data. The analysis had the following
Chapter 7 Sampling Distributions
Sampling Distribution of the Sample Mean x :
is the distribution of all possible sample means that can be obtained by taking random
samples of size n from a population.
Properties of the Sampling Distribution of x :