Questions from Management Science

Q: The auditor of Kaefer Manufacturing uses regression analysis during the analytical review

The auditor of Kaefer Manufacturing uses regression analysis during the analytical review stage of the firm’s annual audit. The regression analysis attempts to uncover relationships that exist between...

Q: In the 1994 congressional election, the Republican candidate outpolled the Democratic

In the 1994 congressional election, the Republican candidate outpolled the Democratic candidate by 400 votes (excluding absentee ballots). The Democratic candidate outpolled the Republican candidate b...

Q: Confederate Express is attempting to determine how its monthly shipping costs depend

Confederate Express is attempting to determine how its monthly shipping costs depend on the number of units shipped during a month. The file P13_46.xlsx contains the number of units shipped and total...

Q: The file P13_47.xlsx contains monthly cost accounting data

The file P13_47.xlsx contains monthly cost accounting data on overhead costs, machine hours, and direct material costs. This problem will help you explore the meaning of R2 and the relationship betwee...

Q: The Wilhoit Company has observed that there is a linear relationship between

The Wilhoit Company has observed that there is a linear relationship between indirect labor expense and direct labor hours. Data for direct labor hours and indirect labor expense for 18 months are giv...

Q: Each year, a shoe manufacturing company faces demands (which must

Each year, a shoe manufacturing company faces demands (which must be met on time) for pairs of shoes as shown in the file P03_40.xlsx. Employees work three consecutive quarters and then receive one qu...

Q: Pernavik Dairy produces and sells a wide range of dairy products.

Pernavik Dairy produces and sells a wide range of dairy products. Because a government regulatory board sets most of the dairy’s costs and prices, most of the competition between the dairy and its com...

Q: Management of a home appliance store wants to understand the growth pattern

Management of a home appliance store wants to understand the growth pattern of the monthly sales of a new technology device over the past two years. The managers have recorded the relevant data in the...

Q: The file P13_50.xlsx contains five years of monthly

The file P13_50.xlsx contains five years of monthly data for a company. The first variable is Time (1–60). The second variable, Sales1, has data on sales of a product. Note that Sales1 increases linea...

Q: The Sales2 variable in the file from the previous problem was created

The Sales2 variable in the file from the previous problem was created from the Sales1 variable by multiplying by monthly seasonal factors. Basically, the summer months are high and the winter months a...