Instruction 18-12
Recently,a University Switched to a New Type of Computer-Based

question 17

True/False

Instruction 18-12
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.
$\begin{array}{rrrr}\text { Day } & \text { Range } & \text { Mean } & \text { Std.Dev. } \\\hline { 1 - 3 } & 10 & 5.250 & 3.4949 \\2 & 31 & 15.250 & 10.3060 \\3 & 13 & 20.375 & 4.9262 \\4 & 21 & 22875 & 8.3911 \\5 & 35 & 8.500 & 11.3767 \\6 & 18 & 7.875 & 6.9372 \\7 & 25 & 11.250 & 8.5815 \\8 & 30 & 7.875 & 9.5235 \\9 & 17 & 10.250 & 6.3640 \\10 & 22 & 9.500 & 7.8740\\11 & 27 & 7.875 & 8.7086 \\12 & 26 & 12875 & 9.3723\\\end{array}$
-Referring to Instruction 18-12,based on the chart,it appears that the process is in control.

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Section 8

Refers to a provision of the National Labor Relations Act that defines unfair labor practices by employers, unions, or employees.

NLRA

The National Labor Relations Act, which is the foundational statute of United States labor law that protects the rights of employees and employers, to engage in collective bargaining and other activities.

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