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A supermarket has checked the expenditures of 50 customers on one day and found the average total spent is $75.58 assume that the standard deviation
- A supermarket has checked the expenditures of 50 customers on one day and found the average total spent is $75.58
- assume that the standard deviation of expenditure for all customers is $28.5
find a 95% confidence interval for the average amount spent by all customers on this day
please include working out for understanding purposes.
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International Management Culture, Strategy and Behavior
Authors: Fred Luthans, Jonathan Doh
10th edition
1259705072, 1259705076, 978-1259705076
