| PS 292 | Research Methods II - Introduction to Statistics | R. Gebotys |
INTRODUCTION
Listed below are all the notes and information that will be covered in this course. You will need Acrobat Reader 7.0 software to view and print the notes below. Try the link to the virtual statistics lab and the textbook companion site,both are given below, to help you master the material.There are java simulations in each chapter that you should try that will help you understand the material and videos you can view on your computer that will help motivate and illustrate the statistical methods of that chapter. MLS is software used in this course that will enable you to easily submit your weekly assignments using the web, communicate with your instructor,tas and fellow students via the bulletin board and email,check your grades on assignments and exams ,plus MLS allows you to participate in ta led weekly chat rooms on current course material and assignments. Once you have installed the reader click on the Introduction to Course Assignments link. Click here for a short guide on how to use the Adobe Reader and MLS
Introduction to Course/Assignments
Course Details - Mark breakdown, instructor, office hours
Introduction to SPSS Computer Package - SPSS Manual
LINK TO RICE STATISTICS VIRTUAL LAB
LINK TO TEXTBOOK(Introduction to the Practice of Statistics) COMPANION SITE
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Graphs
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Stemplots
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Histograms
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Mean
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Median
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Standard deviation
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Normal probability
calculations
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SPSS Example One: descriptive statistics, histogram, boxplot, stem and leaf
SPSS Example Two: normal probability plot
SPSS Example Three: normal calculations
SPSS Example Four: normal calculations
Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the mean using the simulation package
Try this- Simulation of two distributions using the simulation package
CHAPTER 2:
LOOKING
AT DATA-RELATIONSHIPS
Key Words
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Scatterplots
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correlation
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Least squares
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Residuals
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Outliers
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Influential observations
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Categorical data
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Causation
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SPSS Example One- Part One: scatterplot
SPSS Example One- Part Two: fit a line to data
Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the correlation with line information using the simulation package
Try this- Simulation of regression by eye using the simulation package
Try this- Simulation of restricted range of x using the simulation package
View the VIDEOS-
7. Models for Growth...
8. Describing Relationships...
9. Correlation...
CHAPTER
3: PRODUCING
DATA
Key Words
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Internet
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Library
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Randomization
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Sampling design
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Sampling distribution
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Variability of statistic
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SPSS Example One: how to select a random sample
SPSS Example Two: sampling distribution of the mean - any population
SPSS Example Three: sampling distribution of a proportion - any population
Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the sampling distribution using the simulation package
CHAPTER
4: PROBABILITY:
THE STUDY OF RANDOMNESS
Key Words
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Probability
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Uses
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Practise Assignment
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Basic rules
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Practise Assignment:
please click on answers for questions and answers
View the VIDEO-
15. What Is Probability?
| Sampling distribution for counts, proportions and for the mean |
SPSS Example One: sampling distribution of the mean - normal population
Practise Assignment:
please see answers
View the VIDEOS-
17. Binomial Distributions...
18. The Sample Mean and Control Charts...
CHAPTER
6:
INTRODUCTION TO INFERENCE
Key Words
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Confidence intervals
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Behavior test of significance
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Use of tests
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Power of test
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SPSS Example One: confidence interval simulation
Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the confidence interval using the simulation package
Try this- Simulation of the confidence interval for a proportion using the simulation package
View the VIDEOS-
19. Confidence Intervals...
20. Significance Tests
CHAPTER
7:
INFERENCE FOR DISTRIBUTIONS
Key Words
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Inference for mean
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Two means
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Confidence intervals
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z & t tests
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F test for variances
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X 2 for variance
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SPSS Example One: one sample t - test
SPSS Example Two: paired sample t - test
SPSS Example Three: two independent samples t - test
Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the independent and correlated t-tests using the simulation package
Try this- Simulation of the independent and correlated t-tests using the simulation package
View the VIDEOS-
21. Inference for One Mean
22. Comparing Two Means
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Inference for single
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Two proportions
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Confidence intervals
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Tests of significance
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X 2 test for model
fit
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Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the chi square test of goodness of fit using the simulation package
View the VIDEO-
23. Inference for Proportions
CHAPTER
9:
INFERENCE FOR TWO-WAY TABLES
Key Words
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Inference for two-way tables
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Hypothesis tests
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X2 test
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Residuals
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Expected value
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SPSS Example One: chi-square test of independence
Practise Assignment:
please see answers
Try this- Simulation of the chi square test of independence/proportion using the simulation package
View the VIDEOS-
24. Inference for Two-Way Tables....
11. The Question of Causation
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Simple linear regression
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Least square estimate
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Inference and confidence intervals
for parameters
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Prediction intervals
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ANOVA table
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R 2
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Residuals
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SPSS Example One - Part One: Inference for Regression
SPSS Example One - Part Two: Inference for Regression
Practise Assignment:
please click on answers for questions and answers
View the VIDEO-
25. Inference for Relationships
CHAPTER
12: ONE-WAY
ANALYSIS OF VARIANCE
Key Words
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One-way ANOVA model
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Estimates - ANOVA table
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Inference
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Contrasts
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Multiple comparisons
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Practise Assignment:
please click on answers for questions and answers
Try this- Simulation of the one way anova using the simulation package