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A sample of 35 chemists from Washington State shows an average salary of $39,420 with a standard deviation of $1659, while a sample of 40

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A sample of 35 chemists from Washington State shows an average salary of $39,420 with a standard deviation of $1659, while a sample of 40 chemists from New Mexico has an average salary of $30,215 with a standard deviation of $4116. Is there a significant difference between the two states in chemists' salaries at ? Find the 98% confidence interval of the difference in the means

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