Podcast
Questions and Answers
What can be concluded about the relationship between the two quantities if the correlation coefficient is 0.91?
What can be concluded about the relationship between the two quantities if the correlation coefficient is 0.91?
- There is a weak relationship between the two quantities.
- There is an unpredictable relationship between the two quantities.
- There is a strong relationship between the two quantities. (correct)
- There is no relationship between the two quantities.
What type of correlation is represented by the scatter plot with a strong positive correlation?
What type of correlation is represented by the scatter plot with a strong positive correlation?
- C (correct)
- A
- B
- E
What is the purpose of computing the Pearson coefficient r?
What is the purpose of computing the Pearson coefficient r?
- To determine the equation of the line of best fit.
- To determine the y-intercept of the line of best fit.
- To determine the strength of the linear relationship. (correct)
- To determine the slope of the line of best fit.
What can be concluded about the variables of the study if the Pearson coefficient r is close to 1?
What can be concluded about the variables of the study if the Pearson coefficient r is close to 1?
What is the relationship between the age of the gravestone and the diameter of the lichen?
What is the relationship between the age of the gravestone and the diameter of the lichen?
What is the purpose of the study involving the number of bacteria and their ages?
What is the purpose of the study involving the number of bacteria and their ages?
What can be concluded about the number of bacteria and their ages if the correlation coefficient is close to 1?
What can be concluded about the number of bacteria and their ages if the correlation coefficient is close to 1?
What is the interpretation of a scatter plot with a strong positive correlation?
What is the interpretation of a scatter plot with a strong positive correlation?
What is the main difference between a strong positive correlation and a strong negative correlation?
What is the main difference between a strong positive correlation and a strong negative correlation?
What is the purpose of Pearson's correlation coefficient?
What is the purpose of Pearson's correlation coefficient?