SCENARIO 11-8 An Important Factor in Selecting Database Software Is the Time

question 207

True/False

SCENARIO 11-8
An important factor in selecting database software is the time required for a user to learn how to use the system.To evaluate three potential brands (A,B and C)of database software,a company designed a test involving five different employees.To reduce variability due to differences among employees,each of the five employees is trained on each of the three different brands.The amount of time (in hours)needed to learn each of the three different brands is given below:
Below is the Excel output for the randomized block design:

-Referring to Scenario 11-8,there is evidence of a significant difference in the mean amount of time needed to learn Brand A and Brand C at the 5% level of significance?

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Definitions:

Murdered

The unlawful killing of one human being by another, especially with premeditated malice or as a result of violent crime.

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A Vietnamese military officer and politician who played a key role in the events leading up to the fall of Saigon and the end of the Vietnam War, briefly serving as South Vietnam's president in 1975.

CIA

The Central Intelligence Agency, a U.S. federal agency responsible for conducting intelligence and counterintelligence activities abroad.

Operation Rolling Thunder

A campaign of extensive aerial bombing conducted by the United States during the Vietnam War.