Mathematics, 21.07.2019 10:00, gatorboy1788

In a random sample of 74 women at a company, the mean salary is $39,902 with a standard deviation of $3270 in a random sample of 40 men at the company the mean salary is $36454 with a standard deviation of $4677. which interval is the 95% confidence interval for the difference between the mean salaries of all women and men at the company? , i do not understand this at all.

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In a random sample of 74 women at a company, the mean salary is $39,902 with a standard deviation of...