Can you support the claim that yearly salaries for engineers in Hartford, CT are lower than yearly salaries of engineers in Boston, MA? The table below gives the summary statistics for a sample of 21 engineers from Hartford and 19 engineers from Boston.

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Can you support the claim that yearly salaries for engineers in Hartford, CT are lower than
yearly salaries of engineers in Boston, MA? The table below gives the summary statistics
for a sample of 21 engineers from Hartford and 19 engineers from Boston.
Hartford
Boston
n=21
I-$63,950
n=19
I-$64,050
s= $5200
$5500
Given the data in problem #1, how big of a sample would be needed to find a $5,000
difference in engineering salaries between Hartford and Boston?
Transcribed Image Text:Can you support the claim that yearly salaries for engineers in Hartford, CT are lower than yearly salaries of engineers in Boston, MA? The table below gives the summary statistics for a sample of 21 engineers from Hartford and 19 engineers from Boston. Hartford Boston n=21 I-$63,950 n=19 I-$64,050 s= $5200 $5500 Given the data in problem #1, how big of a sample would be needed to find a $5,000 difference in engineering salaries between Hartford and Boston?
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