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A manufacturer of windows produces one type that has a plastic coating.The specification limits for the plastic coating are 30 and 70.From time to time the plastic coating can become uneven.Therefore,in order to keep the coating as even as possible,thickness measurements are periodically taken at four different locations on the window.15 subgroups were observed and each subgroup consists of the four thickness measurements taken across the windows at a particular time with the following results: mean of the means = = 50.05 and the average range of 8.85. Calculate the control limits for the R chart.
Exchange Rate
The amount one currency is worth when exchanged for another.
Foreign Assets
International investments or possessions held by a country, corporation, or individual.
Current Account Deficit
A situation where a country's total imports of goods, services, and transfers is greater than its total exports, indicating that it is spending more on foreign trade than it is earning.
British Pounds
The official currency of the United Kingdom, which is also known as Sterling.
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