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WorksheetsANOVA, ANCOVA, Correlation & Regression
Total questions: 10
Worksheet time: 10mins
ANOVA testing is used for ...
Test for one mean
Test for two means
Test for three or more means
Test for independence between two variables
Determine whether the following scenario should use a one-way ANOVA test or two-way ANOVA test:
A researcher want to determine whether there is an interaction between physical activity level and gender on blood cholesterol concentration in children.
one-way ANOVA test
two-way ANOVA test
Determine whether the following scenario should use a one-way ANOVA test or two-way ANOVA test:
A group of psychiatric patients are trying three different therapies: counseling, medication and biofeedback. They want to see if one therapy is better than the others.
one-way ANOVA test
two-way ANOVA test
What would you use to determine whether significant differences were observed between all levels of your independent variable?
Box-plots
F statistic
Post-hoc tests
Descriptive statistics
How many independent and dependent variables are there in a One-Way Within Groups ANOVA?
1 independent variable and 1 dependent variable
2 independent variables and 1 dependent variable
1 independent variable and 3 dependent variables
1 independent variable and 2 dependent variable
Which type of correlation most likely represents the relationship between number of hours studied for an exam and the grade on the exam?
Positive Correlation
Negative Correlation
No Correlation
Which type of correlation most likely represents the relationship between distance traveled to school and number of shirts owned?
Positive Correlation
Negative Correlation
No Correlation
Which graph depicts the strongest positive correlation?
What does r2 tell us?
How big the correlation is
How strong the correlation is
How much the x variable affects the y variable
How much the y variable affects the x variable
