Wendy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1,000) are shown below.
a.Compute the overall sample mean.
b.At 95% confidence, test to see if there is a significant difference in the average sales of the three stores. Note that the sample sizes are not equal. Show your complete work and the ANOVA table.
Definitions:
Add a Stimulus
The act of introducing a new sensory input or trigger in an environment to elicit a response in an organism or system.
Negative Punishment
The removal of a stimulus to decrease the probability that a behavior will recur.
Positive Punishment
Adding an unpleasant stimulus to decrease the probability of a behavior's occurrence.
Negative Reinforcement
involves the removal of an unfavorable event or outcome after the display of a behavior, which in turn increases the likelihood of that behavior in the future.
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