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

Question 15

Multiple Choice

The following display from a TI-84 Plus calculator presents the results of a hypothesistest for the difference between two means. The sample sizes are n1=10 and n2=15n _ { 1 } = 10 \text { and } n _ { 2 } = 15
The following display from a TI-84 Plus calculator presents the results of a hypothesistest for the difference between two means. The sample sizes are n _ { 1 } = 10 \text { and } n _ { 2 } = 15 How many degrees of freedom did the calculator use? A) 20.308612 B) -4.343066 C) 19.308612 D) 0.000158
How many degrees of freedom did the calculator use?


A) 20.308612
B) -4.343066
C) 19.308612
D) 0.000158

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