Distribution Characteristics Practice Quiz
1. What is distribution?
2. What is the mean, median and mode?
3. What are outliers and when do they cause the greatest
effect?
Answers
1. Distribution is when you take the scores on one
variable and arrange them
SESSION 4 2.21.14
Regression is powerful
How variables are related to each other
Predictive power of several independent variables on one dependent variable
Changes on the dependent variable, how all the variables collectively impacted
Simple Regressi
SESSION 2 4.3.14
Testing drugs
Randomized samples
Interest in?
What do you mean by empowerment? Social, Economic, Political, Domestic > empowerment
What am I interested in
Why am I interested in it
What am I going to do it about (Policy implication
CHAPTER 2: MEASURES OF CENTRAL TENDENCY
distribution is when you take the scores on one variable and arrange them lowest or highest
what are the characteristics of these distributions?
how spread out the scores are?
what is the most common score?
cen
SESSION 3 2.13.14
The Normal distribution
almost all statistics is based on
Understand why inferential statistics works (based on probability)
The normal curve is unimodal  everything is lined up
The normal distribution
Symmetrical, smooth,
Mean,
CRITICAL RESEARCH REVIEW
What is the author attempting to know
Earnings impacted by Gender
Investing in the literature what is the earnings of Male and Female African American
p 577
Hypothesis 1: each hypothesis is a question
Hypothesis 2:
Hypothes
Analytic Skills Session 1 1.30.14
Wheel of research
1. Theory, 2. Hypothesis, 3. Observations, 4. Empirical generalizations
Theory: Relationship and correlation and association between two variables
 Coefficient
 Unemployment Rate: 7.6%
 Masters Leve
SESSION 3 2.20.14
Correlation: association; Two variables related
Positive correlation:
Negative correlation:
Parsimonious
Calculating the correlation coefficient
Pearson Correlation
Looking at the cross product so you standardize it with z score

SESSION 5 2.27.14
INFORMATIONAL PURPOSE
ANOVA Analysis of Variance
ChiSquare
Everything in stats assume linear relationships
Cant do more than two groups in a tTest
More ttests I run the less confidence (error chances go up)
Chisquare categorical
Critical Research Review Practice Quiz
1. What percentage of why earning are different does race
represent?
2. How much less will you earn if you are black?
3. How much does Geography have to do with earnings?
Answers
1.Race only explains 4% of why the ea