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

question 47

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 R chart is to be constructed for the time required to register. One way to create the upper control limit involves multiplying the mean of the sample ranges by D₄. For this data set, the value of D₄ is ________.

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Definitions:

Persuade

The action of convincing someone to do or believe something through reasoning or argument.

Happy

A state of well-being and contentment characterized by positive emotions ranging from pleasure to intense joy.

Speisman's 1964 Study

A psychological experiment that investigated the role of cognitive appraisal in emotional experiences.

Emotion

A rephrased definition: An affective state triggered by one's circumstances, mood, or relationships with others, often accompanied by physiological changes.