Question: Find test statistic to test the hypothesis u1 > u2. two samples are randomly selected from each pop. Use a=.05 n1= 100 xbar1= 660 s1=45.

Find test statistic to test the hypothesis u1 > u2. two samples are randomly selected from each pop. Use a=.05

n1= 100

xbar1= 660

s1=45.

N2= 125

xbar2= 645

s2=25

a) 2.81

b) .91

c) 2.99

d) 1.86

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