The following 11-84 Plus calculator display presents a 95% confidence interval for the difference between two means.
Question:
a. Find the point estimate of PI €” P2.
b. How many degrees of freedom did the calculator use?
c. Fill in the blanks: We are 95% confident that the difference between the means is between and ________
Transcribed Image Text:
9.8059, 12.998) df=113. 270 1584 -1 =49.81472 K2=38.41269 SX1 #3.69057 VSxz-5. 89133
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