snip. Ships are rated A travel magazine conducts an annual survey on a 10 point scale, with higher values indicating better service. A sample of 20 ships that carry fewer than 500 passengers resulted in a average rating of 8.3 with standard deviation 0.64. A sample of 50 ships that carry more than 500 passengers resulted in an average rating of 8.32 with standard deviation 0.33. nere readers rate the Give a 99.8% confidence interval of the difference between the population mean ratings for smaller ships and the population mean ratings for larger ships. (Note, the order of subtraction matters...look at the wording carefully.) Rounded to 2 decimal places.
snip. Ships are rated A travel magazine conducts an annual survey on a 10 point scale, with higher values indicating better service. A sample of 20 ships that carry fewer than 500 passengers resulted in a average rating of 8.3 with standard deviation 0.64. A sample of 50 ships that carry more than 500 passengers resulted in an average rating of 8.32 with standard deviation 0.33. nere readers rate the Give a 99.8% confidence interval of the difference between the population mean ratings for smaller ships and the population mean ratings for larger ships. (Note, the order of subtraction matters...look at the wording carefully.) Rounded to 2 decimal places.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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![A travel magazine conducts an annual survey where readers rate their favorite cruise ship. Ships are rated
on a 10 point scale, with higher values indicating better service. A sample of 20 ships that carry fewer than
500 passengers resulted in a average rating of 8.3 with standard deviation 0.64. A sample of 50 ships that
carry more than 500 passengers resulted in an average rating of 8.32 with standard deviation 0.33.
Give a 99.8% confidence interval of the difference between the population mean ratings for smaller ships
and the population mean ratings for larger ships. (Note, the order of subtraction matters...look at the
wording carefully.)
Rounded to 2 decimal places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa35d32dc-632b-40fd-aa41-e2c0040899b1%2F48d70475-9fac-42de-821d-3246ac4f3f77%2Fqc0vt39_processed.png&w=3840&q=75)
Transcribed Image Text:A travel magazine conducts an annual survey where readers rate their favorite cruise ship. Ships are rated
on a 10 point scale, with higher values indicating better service. A sample of 20 ships that carry fewer than
500 passengers resulted in a average rating of 8.3 with standard deviation 0.64. A sample of 50 ships that
carry more than 500 passengers resulted in an average rating of 8.32 with standard deviation 0.33.
Give a 99.8% confidence interval of the difference between the population mean ratings for smaller ships
and the population mean ratings for larger ships. (Note, the order of subtraction matters...look at the
wording carefully.)
Rounded to 2 decimal places.
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