An Airline Wants to Select a Computer Software Package for Its

question 317

Multiple Choice

An airline wants to select a computer software package for its reservation system.Four software packages (1,2,3,and 4) are commercially available.An experiment is set up in which each package is used to make reservations for 5 randomly selected weeks and data on the number of passengers that are bumped over a month are collected.(A total of 20 weeks was included in the experiment. ) The variance on the number of passengers that are bumped is found to be roughly the same for the 4 packages.Which of the following tests will be the most appropriate to find out if the mean number of passengers being bumped over a month is the same across the 4 packages?

• A)Paired t test.
• B)Pooled-variance t test.
• C)One-way ANOVA F test for differences among more than two means.
• D)Two-way ANOVA F test for interaction effect.

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Definitions:

Net Income

The total earnings of a company after subtracting all expenses from revenue, including taxes and operating costs, often referred to as the bottom line.

Indirect Method

The indirect method is a widely used approach for preparing the cash flow statement, where net income is adjusted for changes in balance sheet accounts to calculate cash flow from operating activities.

Accounts Payable

Obligations or debts owed by a company to its creditors or suppliers for goods and services received but not yet paid for.

Net Income

The amount of money that remains after all operating expenses, interest, taxes, and dividends have been deducted from total revenue.