A federal auditor for nationally chartered banks from a random sample of 100 accounts found that the average demand deposit balance at the National Bank of a small town was RM549.82. If the auditor needed a point estimate for the population mean for all accounts at this bank, what would she use? A) The average of RM549.82 for this sample. B) The average of RM5498 for this sample. C) There is no acceptable value available. D) The mean would be impossible to calculate without further information.

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