Market research

Question 2
A client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 in” rel=”nofollow”>individual Nissan Sentra owners purchased at the gas pump last month. Your client wants to know if the data set represents a normal distribution. Which statistical analysis technique should be used? What is the null hypothesis? Can an analysis be performed? Why or why not?
Question 1
A market researcher is in” rel=”nofollow”>interested in” rel=”nofollow”>in knowin” rel=”nofollow”>ing the type of train” rel=”nofollow”>inin” rel=”nofollow”>ing that works best for DVD users. Thirty consumers are randomly selected from a population of known DVD owners . Ten users are train” rel=”nofollow”>ined by givin” rel=”nofollow”>ing them the DVD users manual and allowin” rel=”nofollow”>ing them to read it. Another 10 users are train” rel=”nofollow”>ined from a 30-min” rel=”nofollow”>inute DVD user train” rel=”nofollow”>inin” rel=”nofollow”>ing video. Another 10 users are train” rel=”nofollow”>ined from a self-paced computer tutorial. The users are then timed in” rel=”nofollow”>in their ability to setup and program the DVD by performin” rel=”nofollow”>ing a series of operations. Which statistical analysis technique should be used? What is the null hypothesis? Can the market researcher get an answer? Why or why not?

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