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

question 83

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 B and Brand C at the 5% level of significance?

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Definitions:

Customer Arrivals

The frequency or rate at which customers arrive at a point of service or location.

Traffic Accidents

Unforeseen and unplanned events on the roadways that involve vehicles causing damage, injury, or death.

Poisson Distributed

A probability distribution that measures the probability of a given number of events happening in a fixed interval of time or space.

Standard Deviation

The statistic that quantifies the spread of a dataset or distribution, showing how extensively the data points diverge from the average value.