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A study of working actors looked at age and gender. One sample of 65 male actors had a mean age of 33 and a standard

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A study of working actors looked at age and gender. One sample of 65 male actors had a mean age of 33 and a standard deviation of 5. The other sample included 65 female actors with a mean age of 24 and a standard deviation of 4. Estimate with 91% confidence the difference between the average ages of working male (#1) and female (/2) actors. [Round answers to two decimal places].

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