A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of six tubes is taken every three hours and weighed with the following results: 
What is the mean range?
Definitions:
Relational Database
A type of database that stores and provides access to data points that are related to one another.
Microsoft Access
A database management system from Microsoft that combines the relational Microsoft Jet Database Engine with a graphical user interface and software-development tools.
Records
Documents or files that preserve information or data for future reference, legal compliance, or historical purposes.
Attributes
Characteristics or properties of an object, element, or file that define its state, appearance, or value.
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