SCENARIO 15-8
Recently, a University Switched to a New Type

question 244

True/False

SCENARIO 15-8
Recently, a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time (hours) 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. $\begin{array}{cccc}\underline{\text { Day }} & \underline{\text { Range}}& \underline{\text { Mean }}& \underline{\text { Std.Dev. }}\\1 & 10 & 5.250 & 3.4949 \\2 & 31 & 15.250 & 10.3060 \\3 & 13 & 20.375 & 4.9262 \\4 & 21 & 22.875 & 8.3911 \\5 & 35 & 8.500 & 11.3767 \\6 & 18 & 7.875 & 6.9372 \\7 & 25 & 11.250 & 8.5815 \\8 & 30 & 7.875 & 9.5235 \\9 & 17 & 10.250 & 6.3640 \\10 & 22 & 9.500 & 7.8740 \\11 & 27 & 7.875 & 8.7086 \\12 & 26 & 12.875 & 9.3723\end{array}$

-Referring to SCENARIO 15-8, based on the R chart, it appears that the process is out of control.

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Definitions:

Councils

Assemblies or meetings called for consultation, advice, or decision-making, often within a religious, political, or social context.

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A wave of mass political and social unrest that spread through the Russian Empire, including strikes, peasant unrest, and military mutinies, leading to constitutional reform.

Bolshevik Party

A faction of the Russian socialist movement that eventually led the October Revolution of 1917, establishing the Soviet Union.

Russian Revolution

A period of political and social revolution across the territory of the Russian Empire, which led to the downfall of the Tsarist autocracy and led to the establishment of the Soviet Union.