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HYPOTHESIS TEST, Check Assumptions - Coggle Diagram
HYPOTHESIS TEST
Identify Research Goal
Comparing Groups
Predicting Outcomes
Assessing Relationships
Check Assumptions
Determine Variable Types
Categorical
Nominal
Determine Number of Groups/Samples
One Group/Sample
Numeral Variable
Mean vs Known Value
Chi-Square Fit
One-sample t-test
Two Groups/Samples
Numerical Outcome
Equal Variances?
Welch's test
Three or more Groups/Samples
Categorical Outcome
Two factors
Chi-Square Independence
Fisher's Exact test
Chi-Square Fit
ANOVA test
One-way
Two-way
Ordinal
More than two Samples
Correlation & Regression
Pearson correlation
Spearman correlation
Linear regression
Logistical regression
Nonparametric Alternatives
Used when assumptions are violated
Mann-Whitney
Wilcovon Signed -Rank
Friedman Test
Kruskal-Wallis test
Numerical
Continuous
One Sam
Normality
Homogemelty of Variance
Random Sampling
Independence of Observation