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

question 140

Short Answer

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, the among-group variation or SSA is ________.

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Definitions:

Margin Calls

A broker's demand on an investor to deposit additional money or securities so that the margin account is brought up to the minimum maintenance margin.

Gains

The increase in value of an asset or investment, measured as the difference between the sale price and the purchase price.

April Futures Price

The April Futures Price refers to the agreed-upon price set in a futures contract for the delivery of a specific commodity, financial instrument, or currency in April.

S&P 500 Index

An index of the American stock market reflecting the value of 500 large-cap companies with shares available on either the NYSE or NASDAQ.