Legionnaires’ disease In 1974, the Bellevue-StratfordHotel in Philadelphia was the scene of an outbreak of whatlater became known as legionnaires’ disease. The cause ofthe disease was finally discovered to be bacteria thatthrived in the air-conditioning units of the hotel. Owners of the Rip Van Winkle Motel, hearing about the Bellevue-Stratford, replaced their air-conditioning system. The following data are the bacteria counts in the air of eightrooms, before and after a new air-conditioning system wasinstalled (measured in colonies per cubic foot of air). Hasthe new system succeeded in lowering the bacterial count?Base your analysis on a confidence interval. Be sure to listall your assumptions, methods, and conclusions. Room Number Before After121 11.8 10.1163 8.2 7.2125 7.1 3.8264 14 12233 10.8 8.3218 10.1 10.5324 14.6 12.1325 14 13.7
Legionnaires’ disease In 1974, the Bellevue-StratfordHotel in Philadelphia was the scene of an outbreak of whatlater became known as legionnaires’ disease. The cause ofthe disease was finally discovered to be bacteria thatthrived in the air-conditioning units of the hotel. Owners of the Rip Van Winkle Motel, hearing about the Bellevue-Stratford, replaced their air-conditioning system. The following data are the bacteria counts in the air of eightrooms, before and after a new air-conditioning system wasinstalled (measured in colonies per cubic foot of air). Hasthe new system succeeded in lowering the bacterial count?Base your analysis on a confidence interval. Be sure to listall your assumptions, methods, and conclusions. Room Number Before After121 11.8 10.1163 8.2 7.2125 7.1 3.8264 14 12233 10.8 8.3218 10.1 10.5324 14.6 12.1325 14 13.7
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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Legionnaires’ disease In 1974, the Bellevue-Stratford
Hotel in Philadelphia was the scene of an outbreak of what
later became known as legionnaires’ disease. The cause of
the disease was finally discovered to be bacteria that
thrived in the air-conditioning units of the hotel. Owners
Hotel in Philadelphia was the scene of an outbreak of what
later became known as legionnaires’ disease. The cause of
the disease was finally discovered to be bacteria that
thrived in the air-conditioning units of the hotel. Owners
of the Rip Van Winkle Motel, hearing about the Bellevue-
Stratford, replaced their air-conditioning system. The
Stratford, replaced their air-conditioning system. The
following data are the bacteria counts in the air of eight
rooms, before and after a new air-conditioning system wasinstalled (measured in colonies per cubic foot of air). Has
the new system succeeded in lowering the bacterial count?
Base your analysis on a confidence interval. Be sure to list
all your assumptions, methods, and conclusions.
rooms, before and after a new air-conditioning system wasinstalled (measured in colonies per cubic foot of air). Has
the new system succeeded in lowering the bacterial count?
Base your analysis on a confidence interval. Be sure to list
all your assumptions, methods, and conclusions.
Room Number Before After
121 11.8 10.1
163 8.2 7.2
125 7.1 3.8
264 14 12
233 10.8 8.3
218 10.1 10.5
324 14.6 12.1
325 14 13.7
121 11.8 10.1
163 8.2 7.2
125 7.1 3.8
264 14 12
233 10.8 8.3
218 10.1 10.5
324 14.6 12.1
325 14 13.7
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