Mathematics, 25.06.2019 22:30, 76022sfox
Atravel 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 50 ships that carry fewer than 500 passengers resulted in a average rating of 6.89 with standard deviation 0.52. a sample of 55 ships that carry more than 500 passengers resulted in an average rating of 6.55 with standard deviation 0.83. 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 at the wording carefully.)
Answers: 3
Mathematics, 21.06.2019 23:30, honwismun1127
Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.
Answers: 3
Atravel magazine conducts an annual survey where readers rate their favorite cruise ship. ships are...
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