Discuss the reasons and situations in which researchers wouldwant to use linear regression. How would a researcher know whetherlinear regression would be the appropriate statistical technique touse? What are some of the benefits of fitting the relationshipbetween two variables to an equation for a straight line?
Describe the error in the conclusion. Given: There is a linearcorrelation between the number of cigarettes smoked and the pulserate. As the number of cigarettes increases the pulse rateincreases. Conclusion: Cigarettes cause the pulse rate to increase.Discuss causation vs. relationships.