Questions from Business Statistics

Q: What factors might confound the results of the experiment in Exercise 4

What factors might confound the results of the experiment in Exercise 4?

Q: A business student conjectures that the Internet caused companies to become more

A business student conjectures that the Internet caused companies to become more profitable, since many transactions previously handled face-to-face could now be completed online. The student compares...

Q: Crowd Management Strategies (www.crowdsafe.com) monitors accidents

Crowd Management Strategies (www.crowdsafe.com) monitors accidents at rock concerts. In their database, they list the names and other variables of victims whose deaths were attributed to crowd crush a...

Q: A pizza delivery driver, always trying to increase tips, runs

A pizza delivery driver, always trying to increase tips, runs an experiment on his next 40 deliveries. He flips a coin to decide whether or not to call a customer from his mobile phone when he is five...

Q: You want to compare the tastiness and juiciness of tomatoes grown with

You want to compare the tastiness and juiciness of tomatoes grown with three amounts of a new fertilizer: none, half the recommended amount, and the full recommended amount. You allocate 6 tomato plan...

Q: For the experiment described in Exercise 3, list the factor,

For the experiment described in Exercise 3, list the factor, the levels, and the response variable.

Q: For the experiment described in Exercise 4, name the factor and

For the experiment described in Exercise 4, name the factor and its levels. How might the response be measured?

Q: For the experiment of Exercise 3, name some variables the driver

For the experiment of Exercise 3, name some variables the driver did or should have controlled. Was the experiment randomized and replicated?

Q: For the experiment of Exercise 4, discuss variables that could be

For the experiment of Exercise 4, discuss variables that could be controlled or that could not be controlled. Is the experiment randomized and replicated?

Q: Is the experiment of Exercise 3 blind? Can it be double

Is the experiment of Exercise 3 blind? Can it be double-blind? Explain.