A random sample of 12 chemists from Washington stats shows an average salary of $39,420 with a population standard deviation of $1,659. A random sample of 26 chemists from New Mexico has an average salary of $30,215 with a population standard deviation of $4,116. Find the 98% confidence interval of the difference of means.

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A random sample of 12 chemists from Washington stats shows an average salary of $39,420 with a population standard deviation of $1,659. A random sample of 26 chemists from New Mexico has an average salary of $30,215 with a population standard deviation of $4,116. Find the 98% confidence interval of the difference of means. 

Sample
mean one (Washington): 1
Sample
mean two (New Mexico): X2
Population
standard deviation one (Washington):
01
%3D
Population
standard deviation two (New Mexico):
%3D
O2
Sample Size One (Cleveland): n1
%3D
Sample Size Two (Philadelphia): n2
Round answer(s) to four decimal places
zv (a/2) = invNorm
zvv (a/2) =
Round answer(s) to one decimal place (no commas)
II
%3D
II
Transcribed Image Text:Sample mean one (Washington): 1 Sample mean two (New Mexico): X2 Population standard deviation one (Washington): 01 %3D Population standard deviation two (New Mexico): %3D O2 Sample Size One (Cleveland): n1 %3D Sample Size Two (Philadelphia): n2 Round answer(s) to four decimal places zv (a/2) = invNorm zvv (a/2) = Round answer(s) to one decimal place (no commas) II %3D II
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