Business analysts can use regression to assess the relationship between variables and to predict future dependent-variable outcome values based on a given independent variable. For the following scenarios, identify the independent and dependent variables for a regression analysis.

a. UPS wants to determine if weather affects on-time delivery.

b. PwC wants to know if age is related to employee turnover.

c. Home Depot wants to know the expected resolution time for a given level of IT  service desk tickets