Lodging, Car Rental, and Meal Taxes ($) Formula =AVERAGE(A2:A201) 20.58 Sample Mean (2 decimals) 41.91 21.13 64.47 Standard Deviation 8.50 58.21 59.49 Confidence Level 0.95 24.74 38.96 Sigfinicance Level (Alpha) 0.05 #N/A 53.22 44.61 Sample Size 200 #N/A 41.23 47.37 Margin of Error (2 decimals) 2.60 =CONFIDENCE.NORM(D8,D4,D2) 48.66 C.I. Lower Limit (2 decimals) C.I. Upper Limit (2 decimals) 22.21 39.31 =D2-D12 44.26 44.51 =D2+D12 35.35 62.76
Lodging, Car Rental, and Meal Taxes ($) Formula =AVERAGE(A2:A201) 20.58 Sample Mean (2 decimals) 41.91 21.13 64.47 Standard Deviation 8.50 58.21 59.49 Confidence Level 0.95 24.74 38.96 Sigfinicance Level (Alpha) 0.05 #N/A 53.22 44.61 Sample Size 200 #N/A 41.23 47.37 Margin of Error (2 decimals) 2.60 =CONFIDENCE.NORM(D8,D4,D2) 48.66 C.I. Lower Limit (2 decimals) C.I. Upper Limit (2 decimals) 22.21 39.31 =D2-D12 44.26 44.51 =D2+D12 35.35 62.76
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
In an attempt to asses total daily travel taxes in various cities, the Global Business Travel Association conducted a study of daily travel taxes on lodging, rental cars, and meals

Transcribed Image Text:In an attempt to assess total daily travel taxes in various cities, the Global business Travel Association conducted a study of daily travel taxes on lodging, rental car, and
meals. The data consistent with the findings of the study for business travel to Chicago are contained in the Excel Online file below. Construct a spreadsheet to answer the
following questions.
Open spreadsheet
Assume the population standard deviation is known to be $8.50 and develop a 95% confidence interval of the population mean total daily travel taxes for Chicago. Round
your answer to two decimal places.
(2439.31
43.06

Transcribed Image Text:Lodging, Car Rental, and
Meal Taxes ($)
20.58
Formula
Sample Mean (2 decimals)
41.91
=AVERAGE(A2:A201)
21.13
64.47
Standard Deviation
8.50
58.21
59.49
Confidence Level
0.95
24.74
38.96
Sigfinicance Level (Alpha)
0.05
#N/A
53.22
44.61
Sample Size
200
#N/A
41.23
47.37
Margin of Error (2 decimals)
2.60
=CONFIDENCE.NORM(D8,D4,D2)
48.66
C.I. Lower Limit (2 decimals)
C.I. Upper Limit (2 decimals)
22.21
39.31
=D2-D12
44.26
44.51
=D2+D12
35.35
62.76
53.80
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