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The president of UCR is conducting a hypothesis test to investigate whether mean earnings for UCR graduates is greater than $60,000

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The president of UCR is conducting a hypothesis test to investigate whether mean earnings for UCR graduates is greater than $60,000. Which of the following test statistics would provide the strongest evidence against the null hypothesis?

 

t=0

 

t=.01

 

t=-3.1

 

t=2.1