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Practice Exam 2
1. Do members of these three political organizations groups vary significantly in the
average number of letters they send their Congressional delegates per year? Use the
sample of 15 individuals below to test the hypothesis that organizati
Practice Exam One
SOC 106
Intermediate Social Statistics
1. For each research question below, indicate which variables are independent and
which are dependent:
a) Compared to other California universities, does attending UC Davis result in
higher first jo
4/6/2015
Lesson Outline
Mode
Median
Percentiles
April 6, 2015
SOC 106
Jacob Hibel
Mean
Characteristics of the Mean
Dispersion
Range, Variance, Standard Deviation
Jacob Hibel
SOC 106
S15
Measures of Central Tendency
Measures of Central Tendency
Mea
3/29/2015
April 1, 2015
SOC 106
Jacob Hibel
Definition
and Role of Statistics
Wheel of Science
Types
of Statistics
Descriptive Statistics
Inferential Statistics
Levels
of Measurement
Nominal Variables
Ordinal Variables
Interval Variables
Jacob Hi
4/13/2015
Logic
April 13, 2015
SOC 106
Jacob Hibel
any estimation procedure, statistics
calculated from random samples are
used to estimate the value of population
parameters.
of Confidence Intervals
Bias and Efficiency
Point Estimation
Construction
4/6/2015
Properties
Area
of the Normal Curve
Under the Normal Curve
Z Scores
April 8, 2015
SOC 106
Jacob Hibel
Using Table A in your book
Finding Area Under the Curve
Finding Probabilities
Sampling
distributions
Jacob Hibel
Theoretical density curv
SOC 106 Midterm 1 Material
Introduction to Statistics
Definition and role of statistics
o Statistics
Statistics are specialized mathematical tools used to manipulate data
Statistics: quantitative researchers : tools: carpenters
o What are statistics?
5/23/17
SOC 106
5/23
Ethan Evans
Correlation
Scatterplots
Covariance
Pearsons r
Significance Testing for r
2
Were still trying to answer the same
questions we were with bivariate tables:
Are the variables correlated (associated)?
What is the directi
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SOC 106.
Assignment 4 20 points.
Due 5/23/17, 12:10 pm.
Problem Set Submission:
Please read this carefully. You must hand in a stapled, hard copy of your responses by the
beginning of class on Tues, May 23 to receive full credit for this assignment. Inclu
SOC 106.
Assignment 5 20 points.
Due 5/30/17, 12:10 pm.
Problem Set Submission
Please read this carefully. You must hand in a stapled, hard copy of your responses by the beginning of
class on Mon., March 1 to receive full credit for this assignment. Inclu
5/25/17
SOC 106
5/25
Ethan Evans
Introduction to Regression
Regression Line
Assumptions
Prediction
Computation of a Bivariate Regression
Regression Equation
Coefficient of Determination (r2)
Jacob Hibel
SOC 106
W16
2
Today well continue exploring the
May 11, 2017
SOC 106
Ethan Evans
Introduction to Chi Squared
Bivariate Tables
Chi Squared Test Requirements
Logic of Chi Squared
Computation of Chi Squared
Limitations of Chi Squared
Five Step Model
2
Variables, vary.
Independently
Dependently associ
3/29/2015
Course Introduction
SOC 106
3/30/15
Prof. Hibel
Lecture Outline
Syllabus Walkthrough
Tips for Success in 106 from former A
students and myself
Jacob Hibel
SOC 106
S15
2
1
3/29/2015
Tips for Success in 106
1.) Dont fear the math
For a quick mat