The following TI 84 Plus calculator display presents a 95 confidence interval for the difference between two means The sample sizes are n1 7 and n2 10 a Compute the point estimate of 1 2 b How many degrees of freedom did the calculator use c Fill in the blanks We are 95 confident that the differenc...

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The following TI-84 Plus calculator display presents a 95% confidence interval for the difference between two means.

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The following TI-84 Plus calculator display presents a 95% confidence interval for the difference between two means. The sample sizes are n1 = 7 and n2 = 10. image text in transcribed

a. Compute 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: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 10, 2024 05:00 AM

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The following TI-84 Plus calculator display presents a 95% confidence interval for the difference between two means.

Question:

2-SampTInt (20.904,74.134) df=12.28537157 X1 150.375 x2=102.856 Sx1=25.724 Sx2=23.548 n1=7 n2=10

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Elementary Statistics

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