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# Class Notes for Management Science at McGill University

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The notes and past exams you need. Available 24 hours after each lecture.

##### MGSC 372 Lecture Notes - Lecture 1: Maximum Likelihood Estimation, Random Variable, Probability Distribution Premium

MGSC 372 – Notes Introduction to Estimation Introduction to Least Squares Estimation (LSE) Example: Estimate the mean 𝜇 of a distribution based on a sample of 𝑛 valu1s 2 ,3 ,𝑥 ,𝑛,𝑥 . Let 𝜇 = the population mean The...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 10: Heteroscedasticity, Minitab, Probability Plot Premium

The terms are more spread out on the right side of the chart when compared to the left hand side of the chart: heteroscedasticity. Stabilizing Transformations Possible transformation to help ...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 6: Multicollinearity, Minitab, Dependent And Independent Variables Premium

If NumBid = 5, Price = −146.5 + 7.3 Age If NumBid = 10, Price = −613 + 13.8 Age If NumBid = 15, Price = −1079.5 + 20.3 Age Interpretation of Interaction For this example, we conclude that there is a significant inter...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 8: Variance Inflation Factor, Multicollinearity, Correlation And Dependence Premium

The next slide shows how to calculate PRESS for the model with variables 𝑥 a3d 𝑥 . 4 Expanded Tables includes PRESS Regression Pitfalls Observational vs. Experimental Data Observ...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 9: Simple Linear Regression, Regression Analysis, Dependent And Independent Variables Premium

Best Model The minimum values of Mallows 𝐶 i𝑝 0.5 corresponding to the simple linear regression model with only one independent variable TAR. From the best subsets regression output we see that 𝑅 = 91.7% and 𝑅 = 𝑎1.3...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 3: Simple Linear Regression, Squared Deviations From The Mean, Regression Analysis Premium

4.185 4.589 𝑒 ≤ 𝑆 𝑇 𝑒 \$65.69 ≤ 𝑆 ≤𝑇\$98.40 Simple Linear Regression Review Simple Linear Regression Simple linear reg...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 2: Maximum Likelihood Estimation, Log-Normal Distribution, Estimation Theory Premium

Solution The MLE of 𝜇 is: 230 + 275 + 317 + 285 + 303 1410 = = 282 5 ...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 7: Stepwise Regression, Minitab, Model Selection Premium

The selected model is Profit = 4.23 + 0.2012 Size −1.033 Place Backward elimination Starts with all 𝑘 variables in model and first eliminates the least significant variable. It reruns model on 𝑘 − 1 variable and again e...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 4: Ice Cream, Confounding, Regression Analysis Premium

𝐶𝑉:±𝑡 α 2 Example 𝐻0:𝜌 = 0 𝐻1:𝜌 ≠ 0 𝑟√𝑛 − 2 ...

Management Science
MGSC 372
Brian Smith
##### MGSC 372 Lecture Notes - Lecture 5: Linear Regression, Multicollinearity, Correlation And Dependence Premium

Because 𝑥 3s correlated with 𝑥 1nd 𝑥 ,2the interpretation of the coefficients of any one of the three variables is dependent on the values of the other variables in the model. In Model 3: 𝑏1= 0.516 implies that a one u...

Management Science
MGSC 372
Brian Smith
##### MGSC 373 Lecture Notes - Lecture 8: Work Breakdown Structure

Analyzing Simultaneous Changes Using the 100% Rule 1. Simultaneous changes in constraint RHS values The Bakery wants to evaluate the impact of (1) reducing the number of available pounds of flour to 65 and (2) adding...

Management Science
MGSC 373
Brian Smith
##### MGSC 373 Lecture Notes - Lecture 1: Emv, Wheel Alignment, Test Market

Management Science Management Science (Operations Research) is a body of knowledge that employs scientific methods to aid a manager’s decision making. Management Science is applied in a variety of different disciplines. ...

Management Science
MGSC 373
Brian Smith
##### Laboratory Basics - Reference Guides

Lab safety is the cornerstone principle in this compelling Guide. All international safety symbols are clearly defined, with all basic lab glassware and equipment depicted by text description and diagrams. The Guide also p...

ANAT - Anatomy
ANAT 14
All Professors
##### Administrative Law - Reference Guides

Administrative law directly influences the life of every American citizen. All local, state and federal agencies operate pursuant to general Administrative law principles. An understanding of all administrative law functio...

MGMT 10
All Professors
##### Organizational Behavior - Reference Guides

The systematic study of individual and group behavior within organizational structures is outlined in this coordinated Guide. Theories of leadership and individual behavior are related to the foundations of group behavior ...

Psychology
PSYC 302
All Professors
##### Introduction to Business Law - Reference Guides

Business law, sometimes referred to as corporate-commercial law, is a system of governance and regulations in connection with the creation, existence and dissolution of businesses. Today, Canadian businesses are governed b...

BLAW 464
All Professors
##### Management - Reference Guides

The complex aspects of Management are made clearer in this Guide. This powerful Guide provides comprehensive assistance to anyone who desires a deeper appreciation of basic Management principles. The fundamentals of organi...

BA 2283
All Professors
##### Corporations - Reference Guides

Corporations are explained with clarity and precision in this informative Guide! This guide helps to remove some of the confusion that popularly exists concerning the purpose, the extent, and the legal effect of different ...

BA 2283
All Professors
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