Podcast
Questions and Answers
What does the Pearson Correlation Coefficient (r) measure?
What does the Pearson Correlation Coefficient (r) measure?
What does an r value of -1 or 1 indicate about the association between two variables?
What does an r value of -1 or 1 indicate about the association between two variables?
In the context of measuring association, what does 'null value' refer to?
In the context of measuring association, what does 'null value' refer to?
Which statistical test is appropriate for comparing the means of two groups with continuous outcomes?
Which statistical test is appropriate for comparing the means of two groups with continuous outcomes?
Signup and view all the answers
Which statistical test can be used when both the exposure and outcome are binary?
Which statistical test can be used when both the exposure and outcome are binary?
Signup and view all the answers
What does a chi-square test indicate about the difference between groups?
What does a chi-square test indicate about the difference between groups?
Signup and view all the answers
When would you likely use a chi-square test instead of a two-sample z-test or Odds Ratio/Risk Ratio?
When would you likely use a chi-square test instead of a two-sample z-test or Odds Ratio/Risk Ratio?
Signup and view all the answers
What do scatter plots show patterns in?
What do scatter plots show patterns in?
Signup and view all the answers
What does the ANOVA test assess?
What does the ANOVA test assess?
Signup and view all the answers
In the context of chi-square testing, what does the null hypothesis state?
In the context of chi-square testing, what does the null hypothesis state?
Signup and view all the answers
What does the F-statistic in ANOVA represent?
What does the F-statistic in ANOVA represent?
Signup and view all the answers
When using a chi-square test, what does it mean if the p-value is less than the significance level?
When using a chi-square test, what does it mean if the p-value is less than the significance level?
Signup and view all the answers
In ANOVA, what does the alternative hypothesis (HA) claim?
In ANOVA, what does the alternative hypothesis (HA) claim?
Signup and view all the answers
What does a chi-square test assess?
What does a chi-square test assess?
Signup and view all the answers
What does ANOVA stand for in the context of biostatistics?
What does ANOVA stand for in the context of biostatistics?
Signup and view all the answers
In ANOVA, what does HA represent?
In ANOVA, what does HA represent?
Signup and view all the answers
What is the purpose of a Chi-Square test in biostatistics?
What is the purpose of a Chi-Square test in biostatistics?
Signup and view all the answers
What does Ho represent in the context of a Chi-Square test?
What does Ho represent in the context of a Chi-Square test?
Signup and view all the answers
Which statistical test generates an F-statistic?
Which statistical test generates an F-statistic?
Signup and view all the answers
In which type of exposure and outcome does ANOVA test for a significant difference in means?
In which type of exposure and outcome does ANOVA test for a significant difference in means?
Signup and view all the answers