Moses Statistics 1 Fall 2016
1
Statistics 1 Online Section 0973 Pierce College
ELEMENTARY STATISTICS FOR THE SOCIAL SCIENCES
August 29th, 2016 through December 18th, 2016
Text: Aron, Aron, & Coup, (2012). Statistics for Psychology, 6th Edition. Boston: Pe
The Analysis of Variance
ANOVA
DESIGN CREED
I believe in Analysis of Variance, a gift of the Almighty
bestowed upon grateful mankind by Divine Providence
through the Inspiration of the venerable Sir R. A. Fisher, Knight
of the Realm, and his Disciples.
I
Regression
xkcd.com
Regression: Examples
Think of this as an extension of correlation
Thats because it IS linked conceptually and
mathematically linked to correlation.
Instead of simply finding the correlation
between studying and exam grades I want to
Probability
The theory behind the calculation
Probability
Probability is the backbone of Statistics
The idea behind data analysis is determining how
probable our data is, under different assumptions.
As such, understanding the basics of probability
bec
Sampling Distributions &
the Central Limit Theorem
Dont believe you can use a sample to generalize to the population? Ok fine. Next time
you go to the doctors to get blood work done, make sure to tell them to take it all!
How do these concepts relate?
Sa
Types of Analyses!
Picking the right one!
Possible Inferential Procedures
Chi-Square - Goodness of fit
Dependent Samples t-test
One categorical variable (two groups)
and one quantitative variable
Compare the means of the two groups
Paired groups (e.g.
Calculating a Standard Deviation by Hand
Lets break down what this
1) We are trying to calculate sx
2)
xi stands for every person/score in your dataset.
3) x is the mean/average of these scores.
4) We have an exponent of 2, or squaring operator
5) We have
Review the
The t Test for Independent
Learning Objective
Means
8 s
A t test for independent means is used for hypothesis testing with scores from two entirely
separate groups of people. The comparison distribution for a t test for independent means is a
Review the
The t Test for Independent
Chapter Summar
Means
8 y
A t test for independent means is used for hypothesis testing with scores from two entirely
separate groups of people. The comparison distribution for a t test for independent means is a
dist