Exhibit 9.2
The following questions are based on the problem description and spreadsheet below.
A paint manufacturer is interested in knowing how much pressure (in pounds per square inch, PSI) builds up inside aerosol cans at various temperatures (degrees Fahrenheit). It has developed the following Excel spreadsheet of the results. 
-Refer to Exhibit 9.2. Interpret the meaning of R Square in cell B3 of the spreadsheet.
Definitions:
Acid-Fast Stain
A staining procedure for identifying bacteria that have a waxy cell wall.
Antibiotics
Medicinal substances used to kill or inhibit the growth of bacteria, crucial for treating bacterial infections.
Facultative Bacteria
Bacteria that can switch between aerobic and anaerobic metabolism depending on oxygen availability.
Biochemical Reactions
Chemical processes occurring within living organisms to maintain life, including digestion, respiration, and synthesis of biomolecules.
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