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Bingrui Cindy Sun (7)

Class Notes for Bingrui Cindy Sun

Introduction to Statistics II

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