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

question 16

True/False

TABLE 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 Table 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:

Supply Chain Management

The oversight of materials, information, and finances as they move from supplier to manufacturer to wholesaler to retailer to consumer.

Systems Approach

A holistic analysis method that views a system as an interconnected set of parts that work together to accomplish specific goals.

Tiers of Suppliers

Different levels within the supply chain, categorized based on their directness of relationship to the company, from raw material suppliers to finished goods producers.

Sustainability Performance

An evaluation of how well a company or product manages its responsibilities towards the environment, economy, and society for long-term sustainability.