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Question description

The descriptive statistics for annual salaries from a random sample of microbiologist from two regions are shown below.  Construct a 95% confidence interval for the difference between mean annual salaries

X1=\$104,710, N1= 39, σ1= \$9,000, X2= \$85,240, N2 = \$44, σ2= \$9,020

Complete the 95% confidence interval for U1-U2 below.

\$_____<U1 – U2< \$________

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