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A Study by a Bank Compared the Average Savings of Customers

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A study by a bank compared the average savings of customers who were depositors for three years or less, with those who had been depositors for more than three years. The results of a sample are: A study by a bank compared the average savings of customers who were depositors for three years or less, with those who had been depositors for more than three years. The results of a sample are: What is the computed test statistic? Round to two decimal places. What is the computed test statistic? Round to two decimal places.

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-2.20
Explanation: W...

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