FCS 380 Study Guide Exam 3

Distributions

Frequency Distributions

Measures of Central Tendency

Dispersion

Mean

Median

Mode

Skewed

Range

Variance

Standard Deviation

Univariate

Bivariate

Descriptive Statistics

Crosstabulation

Inferential Statistics

Statistical Significance

.05 Alpha/Alpha levels/Probability

Chi Square

Reading a Chi Square Critical Value Table

Null Hypothesis

Research Hypothesis

Type 1 Error

Type 2 Error

t-test

Reading a t-test Critical Value Table

1-tailed Hypothesis (Directional)

2-tailed Hypothesis (Either Direction)

Making Statements about the Findings

Appropriate Results Statements

Appropriate Discussion/conclusion Statements

Correlation Coefficients

Range from +1 to -1

Positive and Negative Correlations

Strength of Correlations

Positive Linear Relationship

Negative Linear Relationship

Curvilinear Relationship

No Relationship

Dependent Variable

Y Axis

Independent Variable

X Axis

Structural Equation Modeling

Factorial Designs

Interaction Effects

Multivariate
Know what each statistical test is used for and the appropriate level of data for each test