The following display from a TI-84 Plus calculator presents the results of a hypothesis test for the difference between two means. The sample sizes are $n _ { 1 } = 7$ and $n _ { 2 } = 12$.

How many degrees of freedom did the calculator use?
A) 10.791309
B) 11.791309
C) 0.189353
D) -0.917205

Question

The following display from a TI-84 Plus calculator presents the results of a hypothesis test for the difference between two means. The sample sizes are $n _ { 1 } = 7$ and $n _ { 2 } = 12$.

How many degrees of freedom did the calculator use?
A) 10.791309 
B) 11.791309 
C) 0.189353 
D) -0.917205

Quizplus · Accepted Answer

The Answer of The following display from a TI-84 Plus calculator presents the results of a hypothesis test for the difference between two means. The sample sizes are $n _ { 1 } = 7$ and $n _ { 2 } = 12$.

How many degrees of freedom did the calculator use?
A) 10.791309 
B) 11.791309 
C) 0.189353 
D) -0.917205

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