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TABLE 17-8
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 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.
-Referring to Table 17-8, an R chart is to be constructed for the time required to register. The lower control limit for this data set is ________.
Fatty Acids
Long-chain hydrocarbons that contain a carboxylic acid group at one end. They are an important component of lipids in living organisms.
Lipids
A broad group of naturally occurring molecules that include fats, waxes, sterols, and fat-soluble vitamins among others, used for energy storage and as structural components of cell membranes.
Organic Acids
Organic acids are a group of acidic compounds that contain carbon and are found in many plants and animals, essential in various biochemical processes.
Inorganic Ions
Charged atoms or molecules that do not contain carbon-hydrogen bonds, often playing crucial roles in physiological processes.
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