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Instruction 18-16A
Recently,a University Switched to a New Type of Computer-Based

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Instruction 18-16A
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.}\\1 & 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 18-16A,construct an R chart for the time required to register.


Definitions:

Acquisition Cost

The total cost associated with purchasing an asset, including the purchase price and any additional expenses necessary to bring the asset to a usable state.

Installation

The process of setting up and configuring hardware or software systems to be ready for operation.

Assembly Costs

Assembly costs are the expenses incurred during the process of putting together components or parts to manufacture a finished product.

Freight Costs

Freight costs are the charges involved in the transportation of goods from one place to another, often resulting from shipping or logistic operations.

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