Define the primary purpose of a linear correlation analysis. Define the primary purpose of a linear regression. Are theythe same? What are their differences and when would you use a linear correlation vs. a linear regression. For the linear correlation...Discuss what it means to have a positive or negative correlation and also discuss how the strength of the correlation is determined.
What is the linear correlation coefficient r and what values must it take? Provide examples of no correlation, positive correlation, high positive, negative and high negative correlation. When does perfect linear correlation occur?