A sample survey of 56 discount brokers showed that the mean price charged for a trade of 100 shares at $50 per share was $33.82. The survey is conducted annually. With the historical data available, assume a known population standard deviation of $14. a. Using the sample data, what is the margin of error associated with a 99% confidence interval (to 2 decimals)?
A sample survey of 56 discount brokers showed that the mean price charged for a trade of 100 shares at $50 per share was $33.82. The survey is conducted annually. With the historical data available, assume a known population standard deviation of $14. a. Using the sample data, what is the margin of error associated with a 99% confidence interval (to 2 decimals)?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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