FA17 PSY 202 Section 4 HW#9
Conceptual section
What are the differences between a t-score and a z-score?
A z-score measures the gap from the sample size and the null hypothesis.
the size of the gap co
Stats Test 2
Descriptive refers to procedures for organizing, summarizing, and describing data; like
graphs and tables
Inferential includes methods for making inferences about a larger group of indivi
Chapter 5 sampling and confidence intervals
Types of samples
o Representative sample the proportions of the variable in the population are
accurately reflected in the sample
o *Convenience sample comm
Correlation Chapter 13
Chapter 13 and 14
The Pearson correlation coefficient
Simple and multiple linear regression
Correlation
o If two variables are correlated, it means that they vary together syste
Chapter 6-into to hypothesis testing
*Hypothesis testing
o Is the procedure in which data from a sample are used to evaluate a hypothesis
about a population.
Test: pick the right statistical test bas
Chapter 11 repeated measures one-way ANOVA
TEST 5-11 with most on 10 and 11
Is used for
o Repeated measures (over different points in time)
o Within subjects (under different conditions)
o Matched cas
50 questions MC BRING CALCULATOR
There are calculations on the test:
Will be given these equations, but know how to work them
Mean of distribution
Mode of distribution
Median of distribution
Z Score
R
PSY 202 Elementary Statistics
Final Exam Study Guide
Compare/Contrast descriptive and inferential statistics.
o Recognize deff.
o I allow us to make inferences on pop
o D organize summarize and descri
Chapter 2 -Frequency Distributions and Graphs
*know symbols
Raw Score Distribution of Exam Grades
o No real order
o Hard to see trends, highest score, lowest score
Ranked Distribution of Exam Grades
o
hyChapter 8 the independent samples t Test
1st of 2
Hypotheses testing is the SAME
Types of two sample t tests
o Independent (C9)
Each sample is randomly selected from its population
Couple satis
Chapter 4: standard scores, the normal distribution, and probability
*Test Thursday; MC and small calculations
GIVEN formulas but know what they mean and how to use
Will not give have to calculate mea
Chapter 1-Stats
*will be given formulas *material builds on itself *read the book
Statistics refers to techniques used to summarize data in order to answer questions
o Refers to values that describes
FA17 PSY 202 Section 4 HW#10
Conceptual section
In the 2 test on a single variance, how are the degrees of freedom calculated?
subtract 1 from the sample mean
What does 20 represent?
variance that is
FA17 PSY 202 Section 4 HW#8
Conceptual section
What qualifies a statistical test as being parametric?
interval/ratio and normally distributed
3 steps:
1. predict population parameters
2. use this para
FA17 PSY 202 Section 4 HW#6
Conceptual section
Why is the personal/subjective view of probability inappropriate for statistical analyses?
It is not accurate for statistical analysis; the actual probab
FA17 PSY 202 Section 4 HW#5
Conceptual section
What does Y-hat stand for?
The predicted score of
What does b0 stand for?
Y
the Y-intercept
What does b1 stand for?
the slope of the line
Why can we not
FA17 PSY 202 Section 4 HW#7
Conceptual section
Why is the normal distribution important to statistics?
The normal probability distribution provides a good
modelfor thesampling distribution of many sta
FA17 PSY 202 Section 4 HW#2
Conceptual section
For what purpose do we calculate a measure of central tendency?
to look at where the scores are located
What is the definition of the mode of a distribut
FA17 PSY 202 Section 4 HW#1
Conceptual section
Select from the drop-down menu:
Parameters come from and are symbolized using letters.
What is the difference between experiments and quasi-experiments?
Chapter 3
Central Tendency a single value used to represent the typical score in a set of scores
Three measures of central tendency:
o Mean average; formula: X / N = or (cannot have more than one)
Po
Chapter 10 Between subjects one-way ANOVA (similar to independent t test)
EX: worked with 3 types (of pedal arrangement) =3 means what do we do?
*Do ANOVA NOT multiple t test
the independent variable
CHI SQUARE
Goodness of fit
o One sample, asking participants to choose a category or are already in a category
o Cooking desserts survey for what desserts are the best choice of 5 pies
sampling 65 stu
Chapter 15 nonparametric
Parametric
o normal distribution assumption
o Interval or ratio
o Tests specific population parameters
o Assumptions like homogeneity of variance
o Robust in terms of assumpt
SP17 PSY 202 Section 3 Exam 1 Review Sheet
Chapter 1
Experiments v. quasi-experiments v. observational designs
o Experimental: best for cause and effect because of lots of control
over independent va
Running Header: WOMEN'S
HEALTH
1
Women's Health in the International Criminal Justice Field
Renaee Hope Bateman
The University of Mississippi
Running Header: WOMEN'S
HEALTH
2
Introduction
Over the pas
Bateman 1
Gender differences in the policing field
Renaee H. Bateman
University of Mississippi
Bateman 2
Being a women in the policing field is a hard job due to many different aspects. Many
female of
Running: WOMEN'S HEALTH
1
Women's Health in the International Criminal Justice Field
Renaee Hope Bateman
The University of Mississippi
Running: WOMEN'S HEALTH
2
Women's Health in the International Cri
1
SP15 PSY 202 Section 5 HW#9
Conceptual section
1. How does a t-test differ from a z-test?
T-test's standard deviation comes from the sample data
Why cant we use a z-test when our sample size is lowe
1
SP17 PSY 202 Section 3 HW#10
Conceptual section
1. In the 2 test on a single variance, how are the degrees of freedom calculated?
What does 20 represent?
2. When constructing a confidence interval f
SP17 PSY 202 Section 3 HW#8
Conceptual section
1. What qualifies a statistical test as being parametric?
assumes underlying distribution of the variable of interest in the population of the group of
i