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

question 179

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 decision made at a 0.05 level of significance on the F test for the block effects implies that the blocking has been advantageous in reducing the experiment error.

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Definitions:

Mandible

The lower jawbone in vertebrates; in insects and other arthropods, one of a pair of mouthparts used for biting and grinding food.

Radius

The bone on the thumb side of the forearm, or a straight line from the center to the circumference of a circle or sphere.

Scapula

is the anatomical term for the shoulder blade, a large, flat triangular bone located in the upper back.

Carpels

The female reproductive organ of a flower, consisting of the stigma, style, and ovary, and involved in receiving pollen and producing seeds.