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Police departments from two cities want to compare the fuel economy of their cruiser fleet to...

Police departments from two cities want to compare the fuel economy of their cruiser fleet to see if there is a significant difference or whether the difference is due to pure chance. Use a .02 level of significance. Denominator = 1.61

Ho: u1=u2

H1: u1 does not equal u2

   Allentown    Easton

x bar 28 24

stdev 4    6

n 20 20

Please show me how to get this answer...

Math   Statistics-And-Probability   
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