Stat231
William
Marshall
Stat231
William Marshall
May 4, 2010
Week 1
Stat231
William
Marshall
Goals:
Answer the question, What is statistics?
Introduce the statistical process and its associated
language
What is Statistics?
Stat231
William
Marshall
Statis
Stat 231 Assignment 3 Solutions
1. In an investigation to compare two new packaging strategies (here called A and B) for
a consumer product, a marketing company selected 60 stores in one sales region.
They randomly assigned strategy A to 30 stores and B t
Stat 231 Assignment 2
Solutions
1. To certify its measurement system for determining the cholesterol level in blood
serum, a medical laboratory uses the following Plan one day each year.
Collect 40 tubes of serum, labeled T1,T40, from some of the patient
Stat 231 Winter 2005 Assignment 1
Please paste R output, as appropriate, into your assignment solution and make sure
that the output is labeled so that we can easily find it. We do not require the solution
to be typed. Do NOT include a lot of superfluous
Assignment 5 Statistics 231
Due: Tuesday, March 29
You can use the following R code to calculate confidence intervals and p-values for both
blocked and unblocked comparative investigations.
For blocked investigations, the data are stored one row per block
Stat231-Assignment 3
Family (last) Name:
Section #:
Given ( rst) Name:
Grade =
ID:
Marks Available:
Due Date:
Thursday Nov 8th 2007, 10 am in the Tutorial Centre MC6094/MC6095.
General Rules:
1. Although it is understood that some measure of collaboration
Stat231-Assignment 1
Family (last) Name:
Section #:
Given ( rst) Name:
Grade =
ID:
Marks Available:
Due Date:
56
Thursday Sept. 27th 2007, 10am in the Tutorial Centre MC6094/MC6095.
General Rules:
1. Although it is understood that some measure of collabor
Stat231
William
Marshall
Stat231
William Marshall
July 6, 2010
Week 10
Stat231
William
Marshall
Goals:
CLT based hypothesis test
Relative likelihood based hypothesis test
Summary
CLT based
Stat231
William
Marshall
Steps are the same for CLT based hypothes
Stat231
William
Marshall
Stat231
William Marshall
June 29, 2010
Week 9
Stat231
William
Marshall
Goals:
Hypothesis testing in Gaussian models
Example 16
Stat231
William
Marshall
A car company advertises that a certain model uses 6.3
l/100km in city driving
Stat231
William
Marshall
Stat231
William Marshall
June 20, 2010
Week 8
Stat231
William
Marshall
Goals:
More Condence intervals
CI Summary
Intro to hypothesis testing
Relative Likelihood
Stat231
William
Marshall
The likelihood function
L() = f (y1 , y2 , .
Stat231
William
Marshall
Stat231
William Marshall
June 17, 2010
Week 7
Stat231
William
Marshall
Goals:
More Condence intervals
Prediction Intervals
More Condence intervals (CLT based)
Review
Stat231
William
Marshall
Data: y1 , y2 , ., yn
Model: Yi = + Ri
Stat231
William
Marshall
Stat231
William Marshall
June 7, 2010
Week 6
Stat231
William
Marshall
Goals:
Condence intervals
Introduce students T distribution
Condence Intervals
Stat231
William
Marshall
A way to quantify sample error
Provides a range of plaus
Stat231
William
Marshall
Stat231
William Marshall
May 30, 2010
Week 5
Stat231
William
Marshall
Goals:
Dene Estimors, Sampling distribution
Introduce chi-squared distribution 2
Measurement example revisited
Stat231
William
Marshall
Object measured three ti
Stat231
William
Marshall
Stat231
William Marshall
May 20, 2010
Week 4
Stat231
William
Marshall
Goals:
Look at continuous examples of MLE
Introduce Gaussian response / regression models
Example 7
Stat231
William
Marshall
Many products have a guarenteed lif
Stat231
William
Marshall
Stat231
William Marshall
May 16, 2010
Week 3
Stat231
William
Marshall
Goals:
Review continuous probability models (STAT230)
Introduce the likelihood function and maximum likelihood
estimation
Continuous random variables
Stat231
Wi
Stat231
William
Marshall
Stat231
William Marshall
May 10, 2010
Week 2
Stat231
William
Marshall
Goals:
Connect probability models to PPDAC
Review discrete probability models (STAT 230)
Random Variables
Stat231
William
Marshall
Random Variable
A number whos
Stat 231 Assignment 4 Solutions
1. Methylcyclopentadienyl Manganese Tricarbonyl (MMT) has been added to unleaded
gasoline in Canada to help reduce engine knock. The automobile manufacturers
claim that the addition of MMT to gasoline increases the amount o