Questions from Analytics

Q: For the data in the Excel file Graduate School Survey,

For the data in the Excel file Graduate School Survey, perform a chi-square test for independence to determine if plans to attend graduate school are independent of gender

Q: In an example in Chapter 3, we developed the following

In an example in Chapter 3, we developed the following cross-tabulation of sales transaction data:a. Find the marginal probabilities that a sale originated in each of the four regions and the marginal...

Q: Three coins are dropped on a table.

Three coins are dropped on a table.a. List all possible outcomes in the sample space.b. Find the probability associated with each outcome

Q: A market research company surveyed consumers to determine their ranked

A market research company surveyed consumers to determine their ranked preferences of energy drinks among the brands Monster, Red Bull, and Rockstar.a. What are the outcomes of this experiment for one...

Q: Refer to the card scenario described in Problem 2.

Refer to the card scenario described in Problem 2.a. Let A be the event “total card value is odd.” Find P(A) and P(Ac).b. What is the probability that the sum of the two cards will be more than 14?In...

Q: Suggest some metrics that a hotel might want to collect

Suggest some metrics that a hotel might want to collect about their guests. How might these metrics be used with business analytics to support decisions at the hotel?

Q: Using the data in the Excel file Ohio Education Performance,

Using the data in the Excel file Ohio Education Performance, test the hypotheses that the mean difference in writing and reading scores is zero and that the mean difference in math and science scores...

Q: Open the Excel file Store and Regional Sales database.

Open the Excel file Store and Regional Sales database.a. Sort the data by units sold, high to lowb. Sort the units sold using an icon set, where green corresponds to high sales levels, yellow to mediu...

Q: The Excel file Cereal Data provides a variety of nutritional

The Excel file Cereal Data provides a variety of nutritional information about 67 cereals and their shelf location in a supermarket. Use regression analysis to find the best model that explains the re...

Q: A professional football team is preparing its budget for the

A professional football team is preparing its budget for the next year. One component of the budget is the revenue that they can expect from ticket sales. The home venue, Dylan Stadium, has five diffe...