The following display from a TI-84 Plus calculator presents a 95 % confidence interval for the difference between two means. The sample sizes are $n _ { 1 } = 8 \text { and } n _ { 2 } = 13$

How many degrees of freedom did the calculator use?
A) 15.229294
B) -0.549
C) 105.095
D) -35.082

Question

The following display from a TI-84 Plus calculator presents a  95 %  confidence interval for the difference between two means. The sample sizes are $n _ { 1 } = 8 \text { and } n _ { 2 } = 13$

How many degrees of freedom did the calculator use?
A) 15.229294 
B) -0.549 
C) 105.095 
D) -35.082

Quizplus · Accepted Answer

The Answer of The following display from a TI-84 Plus calculator presents a  95 %  confidence interval for the difference between two means. The sample sizes are $n _ { 1 } = 8 \text { and } n _ { 2 } = 13$

How many degrees of freedom did the calculator use?
A) 15.229294 
B) -0.549 
C) 105.095 
D) -35.082

The Following Display from a TI-84 Plus Calculator Presents a n1=8 and n2=13n _ { 1 } = 8 \text { and } n _ { 2 } = 13n1​=8 and n2​=13

The Following Display from a TI-84 Plus Calculator Presents a $n _ { 1 } = 8 \text { and } n _ { 2 } = 13$