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

question 176

Short Answer

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 amount of total variation or SST is .

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Definitions:

Chronic Bronchitis

A long-term condition characterized by inflammation of the bronchi in the lungs, leading to persistent coughing and production of sputum.

Inhaler

A medical device used for delivering medication into the body via the lungs, commonly used in the treatment of asthma and chronic obstructive pulmonary disease (COPD).

Pulmonary Secretions

Fluids produced by the lungs, including mucus and other substances, that can become problematic if not cleared, such as in certain diseases or conditions.

Percussion

A diagnostic technique used in medicine involving the tapping on a surface to determine the underlying structure's condition by the sound produced.