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

question 19

Short Answer

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

$\text { Below is the Excel output for the randomized block design: }$
$\begin{array}{lrrrrrr}\hline \text { Source of Variation } & S S & d f & \text { MS } & {\text { F }} & \text { P-value } & \text { Fcrit } \\\hline \text { Rows } & 84.66667 & 4 & 21.16667 & 50.8 & 9.98 \mathrm{E}-06 & 3.837853 \\\text { Columns } & 103.3333 & 2 & 51.66667 & 124 & 9.54 \mathrm{E}-07 & 4.45897 \\\text { Error } & 3.333333 & 8 & 0.416667 & & & \\\text { Total } & 191.3333 & 14 & & & & \\\hline\end{array}$
-Referring to Scenario 11-13, what is the critical range of the Studentized range distribution for the
Tukey multiple comparison procedure at the 5% level of significance?

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Definitions:

Schools

Institutions designed for the instruction and education of students under the guidance of teachers, varying in levels from primary to higher education.

Behavioral View

A perspective in psychology that focuses on observable behaviors and the ways in which they're learned through interactions with the environment.

Attachment

Attachment is an emotional bond between individuals, particularly in the context of a child's early relationships with caregivers, that has a profound influence on their social, emotional, and cognitive development.

Gratification

The pleasure or satisfaction obtained from achieving something desired or fulfilling a need.