Interpret calculator display: The following TI-84 Plus calculator display presents a 95% confidence interval for the difference

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Interpret calculator display: The following TI-84 Plus calculator display presents a 95% confidence interval for the difference between two means. The sample sizes are n1 = 85 and n2 = 71. image text in transcribed

a. Find the point estimate of μ1 − μ2.

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 _________.

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Elementary Statistics

ISBN: 9781264136407

4th Edition

Authors: William Navidi , Barry Monk

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Question Posted: Jul 18, 2024 07:10 AM

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Interpret calculator display: The following TI-84 Plus calculator display presents a 95% confidence interval for the difference

Question:

2-SampTInt (9.8059,12.998) df 113.2701584 X1 49.81472 *2=38.41269 Sx1=3.69057 Sx2=5.89133 n1-85 n2=71

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Elementary Statistics

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