Carolina,Inc.has three stores located in three different areas.Random samples of the sales of the three stores (in $1,000)are shown below.Please note that the sample sizes are not equal.
a.Compute the overall mean.
b.At 95% confidence,test to see if there is a significant difference in the average sales of the three stores.Use both the critical value and p-value approaches.Show your complete work and the ANOVA table.
Definitions:
Gustatory Perception
The sensory impression of food or other substances on the taste buds of the tongue.
Place Theory
A theory in hearing that proposes different areas of the basilar membrane respond to different frequencies.
Frequency Theory
A theory in psychology and audiology that suggests pitch is perceived by the rate at which auditory nerve fibers fire.
Pitch Perception
The aspect of hearing that allows individuals to assess sounds on a scale from high to low, based on the frequency of sound waves.
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