The following TI 84 Plus calculator display presents a 99 confidence interval for the difference between two means The sample sizes are n1 50 and n2 42 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 99 confident that the differen...

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The following TI-84 Plus calculator display presents a 99% confidence interval for the difference between two means.

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The following TI-84 Plus calculator display presents a 99% confidence interval for the difference between two means. The sample sizes are n1 = 50 and n2 = 42. 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 99% 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 99% confidence interval for the difference between two means.

Question:

2-SampTInt (3.0101.4.6114) df 86.51750655 X1=6.83562 *2=3.02487 Sx1=1.72541 Sx2=1.17482 n1=50 n2=42

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Elementary Statistics

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