TABLE 14-8 Recently, a University Switched to a New Type of Computer-Based

question 18

Short Answer

TABLE 14-8
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 8 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.
-Referring to Table 14-8, an chart is to be used for the time required to register. One way to obtain the control limits is to take the grand mean and add and subtract the product of A₂ times the mean of the sample ranges. For this data set, the value of A₂ is ________.

---

Definitions:

Abnormal Object Desire Syndrome

Refers to a paraphilic interest where there is a strong desire or attraction to inanimate objects; not officially recognized in major diagnostic manuals.

Frotteuristic Disorder

A paraphilic disorder characterized by a strong desire to rub, against a non-consenting person, usually in crowded places, for sexual gratification.

Genitals

The organs of the reproductive system, especially those external to the body such as the penis and vulva.

Voyeurism

A sexual disorder in which an individual gains sexual pleasure from observing unsuspecting people who are naked, undressing, or engaging in sexual activities.