In: Statistics and Probability
A study was conducted to determine if the salaries of librarians from two neighboring states were equal. A sample of 100 librarians from each state was randomly selected. The mean from the first state was $29,100 with a standard deviation of $2,200. The mean from the second state was $31,900 with a standard deviation of $2,150. Test the hypothesis that there is no difference in the salaries from both states at the 0.1 significance level.
determine the test statistic. Round to four decimal
places.
t= ?????