Instruction 18-11
Recently, a University Switched to a New Type

question 70

Short Answer

Instruction 18-11
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.
$\begin{array}{llll}\text { Day } &\text { Range } & \text { Mean }&\text { Std. Dev }\\\hline1 & 10 & 5.250 & 3.4949 \\2 & 31 & 15.250 & 10.3060 \\3 & 13 & 20.375 & 4.9262 \\4 & 21 & 22.875 & 8.3911 \\5 & 35 & 8.500 & 11.3767 \\6 & 18 & 7.875 & 6.9372 \\7 & 25 & 11.250 & 8.5815 \\8 & 30 & 7.875 & 9.5235 \\9 & 17 & 10.250 & 6.3640 \\10 & 22 & 9.500 & 7.8740 \\11 & 27 & 7.875 & 8.7086 \\12 & 26 & 12.875 & 9.3723\end{array}$

-Referring to Instruction 18-11,an R chart is to be constructed for the time required to register.The lower control limit for this data set is _______.

Develop critical thinking and analytical skills through constructing and answering essay questions relevant to course content.

Understand the concept of impression management and its application in professional settings as exemplified by medical students.

Differentiate between prescriptive and proscriptive norms through examples.

Grasp the objectives and methodologies of ethnomethodology in sociological research.

---

Definitions:

Phonological Loop

A component of working memory responsible for the temporary storage and manipulation of verbal and auditory information.

Visuospatial Sketchpad

A component of the working memory model responsible for the temporary storage and manipulation of spatial and visual information.

Rehearsal Systems

Cognitive processes used to remember information through repetition.

Central Executive

A component of working memory model that coordinates the activities of the phonological loop and the visuospatial sketchpad by managing cognitive processes like attention and problem-solving.