Question
A sample of 30 'Econ-2300' students spent an average of $69 on any music with a standard deviation of $19. A sample of 20 'Econ-3300'
A sample of 30 'Econ-2300' students spent an average of $69 on any music with a standard deviation of $19. A sample of 20 'Econ-3300' students spent an average of $82 on any music with a standard deviation of $24. Obtain the 99% confidence interval for the difference between the two population means. Based on the interval, what is your conclusion?
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Authors: Robert S. Witte, John S. Witte
11th Edition
1119254515, 978-1119254515
