10.1 Condé Nast Traveler conducts an annual survey in which readers rate their favorite cruise ship. All ships are rated on a 100-point scale, with higher values indicating better service. A sample of ships that carry fewer than 500 passengers and a sample of ships that carry 500 or more passengers is provided in the Microsoft Excel Online file below (Condé Nast Traveler, February 2008).Round your all answers to two decimal places. Smaller Ships Larger Ships 93.9 81 84.11 85.67 87.48 83.52 83.06 88.79 92.3 79.4 72.96 82.81 77.41 80.93 85.78 74.96 80.77 91.72 90.3 79.3 85.45 82.73 86.53 81.63 80.84 89.23 88.14 77.82 87.7 91.5 83.37 85.14 89.38 83.74 75.57 76.82 76.55 76.63 75.33 81.2 85.61 82.33 90.97 74.93 89.18 78.63 88.05 74.91 93.81 83.08 83.33 74.95 89.84 81.86 81.78 81.36 86.21 87.81 91.4 85.18 72.74 86.88 90.37 74.85 76.99 75.21 79.67 81.72 84.61 82.75 84.8 86.59 85.92 75.24 86.33 80.44 83.87 81.54 85.7 78.81 79.53 What is the point estimate of the difference between the population mean rating for ships that carry fewer than 500 passengers and the population mean rating for ships that carry 500 or more passengers? _____ At 95% confidence, what is the margin of error? ______ What is a 95% confidence interval estimate of the difference between the population mean ratings for the two sizes of ships? ______ to_____

10.1 Condé Nast Traveler conducts an annual survey in which readers rate their favorite cruise ship. All ships are rated on a 100-point scale, with higher values indicating better service. A sample of...

10.1

Condé Nast Traveler conducts an annual survey in which readers rate their favorite cruise ship. All ships are rated on a 100-point scale, with higher values indicating better service. A sample of ships that carry fewer than 500 passengers and a sample of ships that carry 500 or more passengers is provided in the Microsoft Excel Online file below (Condé Nast Traveler, February 2008).

Round your all answers to two decimal places.

Smaller Ships	Larger Ships
93.9	81
84.11	85.67
87.48	83.52
83.06	88.79
92.3	79.4
72.96	82.81
77.41	80.93
85.78	74.96
80.77	91.72
90.3	79.3
85.45	82.73
86.53	81.63
80.84	89.23
88.14	77.82
87.7	91.5
83.37	85.14
89.38	83.74
75.57	76.82
76.55	76.63
75.33	81.2
85.61	82.33
90.97	74.93
89.18	78.63
88.05	74.91
93.81	83.08
83.33	74.95
89.84	81.86
81.78	81.36
86.21	87.81
91.4	85.18
72.74	86.88
90.37	74.85
76.99	75.21
79.67	81.72
84.61	82.75
84.8	86.59
85.92	75.24
	86.33
	80.44
	83.87
	81.54
	85.7
	78.81
	79.53

What is the point estimate of the difference between the population mean rating for ships that carry fewer than 500 passengers and the population mean rating for ships that carry 500 or more passengers?

_____

At 95% confidence, what is the margin of error?

______

What is a 95% confidence interval estimate of the difference between the population mean ratings for the two sizes of ships?

______ to_____

Jun 06, 2022

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