Question

There is interest at the American Savings and Loan as to whether there is a difference between average daily balances in checking accounts that are joint accounts (two or more members per account) versus single accounts (one member per account). To test this, a random sample of checking accounts was selected with the following results:

Based upon these data, if tested using a significance level equal to 0.10, the assumption of equal population variances should be rejected.

Answer

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