ISyE 3770
April 25, 2013
11-4: Hypothesis Tests in Simple Linear Regression
11-4.2 Analysis of Variance Approach to Test
Significance of Regression
The analysis of variance identity is
Symbolically,
2
11-7: Adequacy of the Regression Model
11-7.2 Coeffici

ISyE 3770
April 9, 2013
Previously, we showed how to estimate
population parameters
Point estimates
Interval estimates
Today, well show how to evaluate claims on
population parameters
Which claim is true?
HYPOTHESIS TESTING
Hypothesis Tests
Statistical

ISyE 3770
April 18, 2013
F-distribution
F-distribution
The lower-tail percentage points f-1,u, can be found as follows
Clicker Q: The F distribution can be used for.
A. Hypothesis tests on the
ratio of population
variances
B. Confidence intervals on
the r

ISyE 3770
April 23, 2013
Chapter 11
SIMPLE LINEAR REGRESSION
Regression Analysis
Statistical tools used to model nondeterministic
relationships between variables
Deals with
Finding the best relationship between variables
Quantifying the strength of th

ISyE 3770
April 16, 2013
Conducting a Hypothesis Test
1. State our hypotheses
Null hypothesis always stated with equality (null
hypothesis should be stated so that it always
specifies an exact value of the parameter)
Alternative hypothesis may be one- o

ISyE 3770
April 11, 2013
Power of a test
Often, different types of tests are compared by
contrasting power properties.
We want the power to be high, we want a high
probability of rejecting the null hypothesis when
the alternative is true
The power is a