Welcome Inc. is a chain of fast-food restaurants located inmajor metropolitan areas in the South. Sales have been growing veryslowly for the last two years. Management has decided to add somenew items to the menu, but first, managers want to know more abouttheir customers and their preferences.
What kind of research design/s would you recommend? Why? Also,recommend various data-collection technique/s to be used in thechosen design/s. Provide the rationale.
5. Rohtak Police wants to find out if the level of alcohol consumedby the driver impacts his braking response time. The PoliceSuperintendent suspects that āage of the driverā and āmobile phoneusage during drivingā might also affect the braking response time.They hire you to reach conclusions regarding the matter usingexperiments.
(a) Identify the dependent and independent variable/s for yourexperiment. Which Statistical Design would you adopt for yourinvestigation? And why?
(b) Graphically present all the main effects and interactioneffects possible in this case. Make hypothetical scenarios with thefollowing levels:
Level of Alcohol
Low, Medium, High
Age of the driver
Young, Old
Mobile usage
Yes, No