Relationship Between Two Variables
1. Medicine: Does body weight have an influence on the blood cholesterol level? To answer this question what variables do you think the researcher would measure? Which would be the i.v. and which the .d.v.? Why?
2. Biology: Does the oxygen level in water stimulate plant growth? The research team would measure what two variables? Which would be the i.v. and which the .d.v.? Why?
3. Management: Does customer satisfaction influence loyalty? The research team would ask customers to rate what to factors? Which would be the i.v. and which the .d.v.? Why? How would the variables be measured?
4. Psychology: Is anxiety influenced by personality traits? To answer this question the team of researchers would measure which two variables? What would be the i.v. and the .d.v.? Why? How would the variables be measured?
Forecasting Variables and Predicting Trends
5. Medicine: With X cigarettes smoked per day, the life expectancy is Y years. Which is the d.v.? How would to i.v. coefficient be used to explain the relationship between the d.v. and i.v.?
6. Biology: With five additional weeks of sunshine the sugar concentration in vine grapes will rise by X %. Which is the d.v.? How would to i.v. coefficient be used to explain the relationship between the d.v. and i.v.?
7. Management: With X amount of dollars spend on marketing, sales should be Y. O Which is the d.v.? How would to i.v. coefficient be used to explain the relationship between the d.v. and i.v.?