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Class Notes (1,031,116)
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Bingrui Cindy Sun (7)

# Class Notes for Bingrui Cindy Sun

Introduction to Statistics II

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##### STAT 217 Lecture Notes - Lecture 7: General Linear Model, Dependent And Independent Variables, Observational Error Premium

Mediation: explaining why relationships occur Is one of the most powerful extensions of the general linear model more rigorous test of theory Examines the process by which X is related to Y M= mediator, Is a ...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 6: Null Hypothesis, Reference Group, F-Test Premium

When coded as either 0 or 1, dichotomies indicate either the absence or presence of a characteristic or trait (such as being female or being old) When there are only two categories, the extent of difference ...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 5: Variance Inflation Factor, Stepwise Regression, Multicollinearity Premium

Controlling, way to insure that encounter for spurious relationships Little r= pearson r Correlation between Y and X1 variable correlation between Y and X2 variable * correlation between 2 independent variab...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 4: Statistical Process Control, Correlation And Dependence, Standard Deviation Premium

SOCI 315- Lecture 4 Limitations of bivariate analysis Several factors may influence one outcome, may be overlap, what may appear to be the effect of one predictor may be due to a second predictor, runn...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 3: Bias Of An Estimator, Alternative Hypothesis, Standard Score Premium

SOCI 315- LECTURE 3 Sampling is the process of choosing a sample from the population, is a subset of the population, sampling entire population is often not logistically or economically possible, is uni...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 2: Linear Regression, Explained Variation, Standard Deviation Premium

SOCI 315- Lecture 2 Bivariate regression: 1 IV and I DV Bivariate means two variables X is predictor or IV Y is outcome or DV X leads to Y OLS regression will be interval or ratio level OLS reg...

Statistics
STAT 217
Bingrui Cindy Sun
##### STAT 217 Lecture Notes - Lecture 1: Normal Distribution, Central Limit Theorem, Standard Deviation Premium

SOCI 315Lecture 1 Review from SOCI 311 Level of measurement Four level of measurement: nominal, ordinal, interval, ratio Response categories for variables are given numeric values Nominal: cannot be ranked and is mainly us...

Statistics
STAT 217
Bingrui Cindy Sun
##### Statistics - Reference Guides

This Guide provides an easy to follow summary of all basic principles that are the foundation to Statistics and Probabilities. Using a combination of charts and sample equations, the key concepts are developed and the esse...

Econometrics
ETC2430
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