Microeconomics (6th Edition)
6th Edition
ISBN: 9780134106243
Author: R. Glenn Hubbard, Anthony Patrick O'Brien
Publisher: PEARSON
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Chapter 3, Problem 3.2.5PA
To determine
Supply change.
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Eddie Clauer sells a wide variety of outdoor equipment and clothing. The company sells both through mail order and via the internet. Random samples of sales receipts
were studied for mail order sales and internet sales, with the total purchase being recorded for each sale. A random sample of 7 sales receipts for mail order sales
results in a mean sale amount of $81.10 with a standard deviation of $23.25. A random sample of 15 sales receipts for internet sales results in a mean sale amount of
$64.30 with a standard deviation of $28.25. Using this data, find the 90 % confidence interval for the true mean difference between the mean amount of mail order
purchases and the mean amount of internet purchases. Assume that the population variances are not equal and that the two populations are normally distributed.
Step 1 of 3: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
Don't use ai to answer I will report you answer
Please correct answer and don't used hand raiting
Chapter 3 Solutions
Microeconomics (6th Edition)
Ch. 3 - Prob. 1TCCh. 3 - Prob. 2TCCh. 3 - Prob. 3.1.1RQCh. 3 - Prob. 3.1.2RQCh. 3 - Prob. 3.1.3RQCh. 3 - Prob. 3.1.4RQCh. 3 - Prob. 3.1.5RQCh. 3 - Prob. 3.1.6PACh. 3 - Prob. 3.1.7PACh. 3 - Prob. 3.1.8PA
Ch. 3 - Prob. 3.1.9PACh. 3 - Prob. 3.1.10PACh. 3 - Prob. 3.1.11PACh. 3 - Prob. 3.1.12PACh. 3 - Prob. 3.1.13PACh. 3 - Prob. 3.1.14PACh. 3 - Prob. 3.1.15PACh. 3 - Prob. 3.1.16PACh. 3 - Prob. 3.1.17PACh. 3 - Prob. 3.2.1RQCh. 3 - Prob. 3.2.2RQCh. 3 - Prob. 3.2.3RQCh. 3 - Prob. 3.2.4PACh. 3 - Prob. 3.2.5PACh. 3 - Prob. 3.2.6PACh. 3 - Prob. 3.2.7PACh. 3 - Prob. 3.2.8PACh. 3 - Prob. 3.2.9PACh. 3 - Prob. 3.3.1RQCh. 3 - Prob. 3.3.2RQCh. 3 - Prob. 3.3.3RQCh. 3 - Prob. 3.3.4PACh. 3 - Prob. 3.3.5PACh. 3 - Prob. 3.3.6PACh. 3 - Prob. 3.3.7PACh. 3 - Prob. 3.3.8PACh. 3 - Prob. 3.3.9PACh. 3 - Prob. 3.4.1RQCh. 3 - Prob. 3.4.2RQCh. 3 - Prob. 3.4.3PACh. 3 - Prob. 3.4.4PACh. 3 - Prob. 3.4.5PACh. 3 - Prob. 3.4.6PACh. 3 - Prob. 3.4.7PACh. 3 - Prob. 3.4.8PACh. 3 - Prob. 3.4.9PACh. 3 - Prob. 3.4.10PACh. 3 - Prob. 3.4.11PACh. 3 - Prob. 3.4.12PACh. 3 - Prob. 3.4.13PACh. 3 - Prob. 3.4.14PACh. 3 - Prob. 3.4.15PACh. 3 - Prob. 3.4.16PACh. 3 - Prob. 3.4.17PACh. 3 - Prob. 3.4.18PA
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