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what is the correct mean? how to solve without a calculator? The Taylors have recorded their weekly grocery expenses for the past 12 weeks and

what is the correct mean? how to solve without a calculator?
The Taylors have recorded their weekly grocery expenses for the past 12 weeks and determined that the mean weekly expense was $83.70. Later, Mrs. Taylor discovered that 1 week's expense of $75 was incorrectly recorded as $33. What is mean? The correct mean is $| (Round to the nearest cent as needed.)

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Introductory Statistics For The Behavioral Sciences

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