A study shows that the 90% confidence interval of the mean butterfly wing area (cm2 ) is 32.81 ± 1.71. The sample size of the study is 20. Which of the following is the correct interpretation for this confidence interval? A. 90% of population means will fall between 31.1 and 34.52 cm2 . B. There is a 95% probability that a butterfly selected from the sample has a wing area between 31.1 and 34.52 cm2 . C. If we take many, many additional random samples of size 20, and from each computed a 90% confidence interval for µ, approximately 90% of these intervals would contain µ. If our confidence interval is one of these 90% intervals, then our estimate that µ lies between 31.1 and 34.52 cm2 will be correct. D. Both A and C.
A study shows that the 90% confidence interval of the mean butterfly wing area (cm2 ) is 32.81 ± 1.71. The sample size of the study is 20. Which of the following is the correct interpretation for this confidence interval? A. 90% of population means will fall between 31.1 and 34.52 cm2 . B. There is a 95% probability that a butterfly selected from the sample has a wing area between 31.1 and 34.52 cm2 . C. If we take many, many additional random samples of size 20, and from each computed a 90% confidence interval for µ, approximately 90% of these intervals would contain µ. If our confidence interval is one of these 90% intervals, then our estimate that µ lies between 31.1 and 34.52 cm2 will be correct. D. Both A and C.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A study shows that the 90% confidence interval of the mean butterfly wing area (cm2 ) is 32.81 ± 1.71. The
A. 90% of population means will fall between 31.1 and 34.52 cm2 .
B. There is a 95% probability that a butterfly selected from the sample has a wing area between 31.1 and 34.52 cm2 .
C. If we take many, many additional random samples of size 20, and from each computed a 90% confidence interval for µ, approximately 90% of these intervals would contain µ. If our confidence interval is one of these 90% intervals, then our estimate that µ lies between 31.1 and 34.52 cm2 will be correct.
D. Both A and C.
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