1. Your company wants to improve sales. Past sales data indicate that the average sale was ¢100 per transaction. After training your sales team, recent sales data (taken from a sample of 25 salespersons) indicates an average sale of ¢130, with a standard deviation of ¢15. Did the training work?
1. Your company wants to improve sales. Past sales data indicate that the average sale was ¢100 per transaction. After training your sales team, recent sales data (taken from a sample of 25 salespersons) indicates an average sale of ¢130, with a standard deviation of ¢15. Did the training work?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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1. Your company wants to improve sales. Past sales data indicate that the average sale was ¢100 per transaction. After training your sales team, recent sales data (taken from a sample of 25 salespersons) indicates an average sale of ¢130, with a standard deviation of ¢15. Did the training work?
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