Exhibit 13.1 The following is an incomplete ANOVA table. 
Refer to Exhibit 13.1.The value of the test statistic is:
Definitions:
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A form of communication aimed at promoting or selling a product, service, or idea.
Antibacterial Soap
A type of cleansing product containing chemical ingredients intended to kill or inhibit the growth of bacteria.
Consumer Survey
A method of collecting data directly from a targeted group of consumers to understand their preferences, behaviors, and opinions on products or services.
Experiment
A research method involving the manipulation of one variable to determine its effect on another variable while controlling for extraneous variables.
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