Refer to the following data on distances between seats in business class for various airlines. Find µ, σ, σ2, draw a box plot, and find the mode and any outliers.
Characteristics of Business-Class Carriers
Distance between
Rows (in cm)
Europe
Air France ......... 122
Alitalia ........... 140
British Airways ........ 127
Iberia ........... 107
KLM/Northwest ...... 120
Lufthansa ......... 101
Sabena .......... 122
SAS ............ 132
SwissAir ......... 120
Asia
All Nippon Airw ...... 127
Cathay Pacific ........ 127
JAL ............ 127
Korean Air ........ 127
Malaysia Air ........ 116
Singapore Airl ........ 120
Thai Airways ....... 128
Vietnam Airl ....... 140
North America
Air Canada ........ 140
American Airl ........ 127
Continental ......... 140
Delta Airlines ........ 130
TWA .......... 157
United .......... 124