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John Scott owns a photography business with two location. Both locations have been open for over 5 years and he decides to take a closer look at how their sales numbers compare. Specifically, he wants to look at the mean sales price of customers' orders per day.
John randomly samples 15 days from each location and get the following results. Use this information to test if there is a difference between the two locations mean sales price of customers' orders per day at 5% significance level.
Location A
Location B
Sample Mean: $315
Sample Standard Deviation: $190
Sample Size: 15
Sample Mean: $475
Sample Standard Deviation: $205
A. Are these samples independent or dependent of each other? ________________________
B. Write out the hypotheses for this test.
H0:
HA:
C. Find the test statistic and p-value for this test. Show which calculator function you are using.
D. Using either the p-value or the test statistic what is our decision about the H0.
E. What conclusion did you come to in context to this test?
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