Instruction 18-14
Recently,a University Switched to a New Type of Computer-Based

question 7

Short Answer

Instruction 18-14
Recently,a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time students are spending on the computer registering under the new system.She decides to randomly select eight students on each of the 12 days of the registration and determine the time each spends on the computer registering.The range,mean,and standard deviation of the times required to register are in the table that follows.
$\begin{array}{rrrr} \text { Day }& \text { Range}& \text { Mean }& \text { Std.Dev.}\\\hline1 & 10 & 5.250 & 3.4949 \\2 & 31 & 15.250 & 10.3060 \\3 & 13 & 20.375 & 4.9262 \\4 & 21 & 22875 & 8.3911 \\5 & 35 & 8.500 & 11.3767 \\6 & 18 & 7.875 & 6.9372 \\7 & 25 & 11.250 & 8.5815 \\8 & 30 & 7.875 & 9.5235 \\9 & 17 & 10.250 & 6.3640 \\10 & 22 & 9.500 & 7.8740 \\11 & 27 & 7.875 & 8.7086 \\12 & 26 & 12875 & 9.3723\end{array}$
-Referring to Instruction 18-14,an R chart is to be constructed for the time required to register.The centre line of this R chart is located at ________.

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Definitions:

Dissociative Disorder

A mental illness involving disruptions or breakdowns of memory, awareness, identity, or perception.

Psychologists

Professionals specializing in the study of the mind and behavior, often helping individuals cope with life issues and mental health challenges.

Dissociative Identity Disorder

A mental disorder characterized by the presence of two or more distinct personality states or identities in an individual.

Role Playing

A method or technique used in therapy, training, or studies, where people simulate behaviors, functions, or roles in structured scenarios to gain insights or skills.