study of working actors looked at age and gender. One sample of 29 male actors had a mean age of 20 and a standard deviation of 2. The other sample included 32 female actors with a mean age of 40 and a standard deviation of 4.3. Estimate with 94% confidence the difference between the average ages of working male (μ1μ1) and female (μ2μ2) actors. Round answers to the nearest hundredth. blank < μ1 − μ2 < blank

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