Question: Test statistic:z =(x 1 x 2 ) s 2 1 n 1 +s 2 2 n 2 z=(x1x2)s12n1+s22n2 Compute the test statistic ( round off

Test statistic:z

=(x

1

x

2

)

s

2

1

n

1

+s

2

2

n

2

z=(x1x2)s12n1+s22n2

Compute the test statistic (round off your final answer to two decimal places) and input your answer below.

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