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

question 70

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 B at the 5% level of significance?

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Definitions:

Histogram

A graphical representation of data that groups numbers into ranges, representing the frequency of data within each range with bars.

Line Chart

A kind of graph that presents data as a sequence of points linked by linear segments, commonly utilized to depict temporal trends.

Histogram

A graphical representation of data using bars to show the frequency of numerical data intervals, emphasizing the distribution of data.

Time-series Data

A sequence of data points collected or recorded at successive time intervals.