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

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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.
 Day  Range Mean  Std.Dev.1105.2503.494923115.25010.306031320.3754.9262421228758.39115358.50011.37676187.8756.937272511.2508.58158307.8759.523591710.2506.364010229.5007.874011277.8758.70861226128759.3723\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.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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A diagnostic tool used to identify discrepancies between the current and the ideal organizational culture, facilitating targeted interventions.

Long-Term Technical Norms

Established standards and practices in technology that sustain over an extended period.

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The shared values, beliefs, norms, and practices that shape the social and psychological environment of an organization, influencing its members' behavior and attitudes.

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