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SCENARIO 11-13
an Important Factor in Selecting Database Software Is

question 101

True/False

SCENARIO 11-13
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:  Software  Operator  A  B  C 11717232181723314131941211185191722 Mean 161521\begin{array}{ | r | r | r | r | } \hline & & \text { Software } & \\\hline \text { Operator } & \text { A } & \text { B } & \text { C } \\\hline 1 & 17 & 17 & 23 \\\hline 2 & 18 & 17 & 23 \\\hline 3 & 14 & 13 & 19 \\\hline 4 & 12 & 11 & 18 \\\hline 5 & 19 & 17 & 22 \\\hline \text { Mean } & 16 & 15 & 21 \\\hline\end{array}

 Below is the Excel output for the randomized block design: \text { Below is the Excel output for the randomized block design: }
 Source of Variation SSdf MS  F  P-value  Fcrit  Rows 84.66667421.1666750.89.98E063.837853 Columns 103.3333251.666671249.54E074.45897 Error 3.33333380.416667 Total 191.333314\begin{array}{lrrrrrr}\hline \text { Source of Variation } & S S & d f & \text { MS } & {\text { F }} & \text { P-value } & \text { Fcrit } \\\hline \text { Rows } & 84.66667 & 4 & 21.16667 & 50.8 & 9.98 \mathrm{E}-06 & 3.837853 \\\text { Columns } & 103.3333 & 2 & 51.66667 & 124 & 9.54 \mathrm{E}-07 & 4.45897 \\\text { Error } & 3.333333 & 8 & 0.416667 & & & \\\text { Total } & 191.3333 & 14 & & & & \\\hline\end{array}
-Referring to Scenario 11-13, the decision made at a 0.05 level of significance on
the randomized block F test for the difference in means implies that all 3 means are significantly
different from each other.

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Definitions:

Generally Accepted Accounting Principles

A set of accounting standards and procedures that are used to compile financial statements, ensuring consistency, reliability, and comparability of financial reporting.

Relevance

The quality of information that makes it useful for decision-making, implying that the information has the ability to influence the decisions of its users.

Future Events

Instances or occurrences that have not yet happened but are expected or anticipated to occur.

Adjusted Trial Balance

A trial balance taken after adjusting entries have been posted, showing the balances of all accounts including the adjustments for accruals and deferrals.

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