The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a population mean $\mu .$

What is the value of $\bar { x } ?$
A) -0.283139
B) 40
C) 0.389120
D) 39.92

Question

The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a population mean $\mu .$

What is the value of $\bar { x } ?$ 
A) -0.283139 
B) 40 
C) 0.389120 
D) 39.92

Quizplus · Accepted Answer

The Answer of The following display from a TI-84 Plus calculator presents the results of a hypothesis test for a population mean $\mu .$

What is the value of $\bar { x } ?$ 
A) -0.283139 
B) 40 
C) 0.389120 
D) 39.92

The Following Display from a TI-84 Plus Calculator Presents the Results