Quiz 3

This statistical test measures the strength of association between two variables

• Parametric

• Correlation

• Non-Parametric

• Kurtosis

Which scatterplot represents a negative correlation?

• 
• 
• 
• None of the above

This is a type of correlation test that tests the association of categorical variables

• Spearman's rank-order Correlation

• Kruskal-Wallis Test

• Pearson Product Moment Correlation

• Chi-Square Test

TRUE OR FALSE:

The Chi-Square Goodness of Fit Test checks if a sample distribution matches an expected distribution.

• TRUE

• FALSE

• JV Occeño

TRUE OR FALSE:

The Chi square Test for Independence examines if two categorical variables are independent or if theres an association between them

• TRUE

• FALSE

• JV Occeño

What is the interpretation when the correlation coefficient is equal to 0?

• Negative Relationship

• Strong relationship

• Positive relationship

• No relationship

This correlation test is used to measure the level of relationship between two continuous variables

• Pearson Product Moment Correlation

• Chi - Square Test for Independence

• Spearman's rank-order Correlation

• Chi - Square Goodness of Fit

This correlation test is used to measure the level of relationship between two variables that are either ordinal, interval or ratio.

• Pearson Product Moment Correlation

• Chi - Square Test for Independence

• Spearman's rank-order Correlation

• Chi - Square Goodness of Fit

A researcher wants to investigate the relationship between the number of hours students study each week and their final exam scores.

What statistical correlation test is appropriate for this scenario?

• Pearson Product Moment Correlation

• Spearman's rank-order Correlation

• None of the Above

A researcher wants to know the relationship between the socioeconomic status of families (measured by a scale: low, medium, high) and the annual income of family members.

Which statistical correlation test is appropriate for this scenario?

• Pearson Product Moment Correlation

• Spearman's rank-order Correlation

• None of the Above