SCENARIO 11-8 an Important Factor in Selecting Database Software Is

question 208

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, the null hypothesis for the randomized block F test for the difference in the means should be rejected at a 0.05 level of significance.

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Definitions:

Walk After Dark

An activity that gauges public perception of safety or crime in an area, often related to social studies.

Expected Frequency

The predicted frequency of occurrences in a category based on the application of a statistical model or the distribution assumption.

Chi-Square

A statistical method employed to assess whether a notable difference exists between the frequencies that are observed and those that are anticipated across one or more categories.

Row Variable

A variable represented by rows in a table or matrix, often used to define or categorize the data horizontally.