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: If the population standard deviations are unknown and assumed unequal, what are the degrees of freedom?

Question

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:  If the population standard deviations are unknown and assumed unequal, what are the degrees of freedom?

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The Answer of 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:  If the population standard deviations are unknown and assumed unequal, what are the degrees of freedom?

A Study by a Bank Compared the Average Savings of Customers