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A sample of 400 female consumers of a product had a mean age of 33 with a standard deviation of 5, and a sample of
A sample of 400 female consumers of a product had a mean age of 33 with a standard deviation of 5, and a sample of 500 male consumers had a mean age of 32 with a standard deviation of 3. Can the mean ages of the female and male populations of consumers be considered significantly different at a significance level of .05 (meaning at 95% confidence level)
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