8.a) Consider the data below for Alaska Airlines and for American West Airlines. Construct a bar graph which breaks down the data by airline and by city, and which shows, for each airline, the percentage of on-time flights at each city.

Answer 1

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Answer 2

8.a) Consider the data below for Alaska Airlines and for American West Airlines. Construct a bar graph which breaks down the data by airline and by city, and which shows, for each airline, the percentage of on-time flights at each city.

b) Consider the data below for Alaska Airlines and for American West Airlines. Construct a bar graph which has only two bars. One bar should represent the percentage of on-time flights flown by Alaska Airlines (with all data from all cities used to calculate the percentage). The other bar should represent the percentage of on-time flights flown by American West (with all data from all cities used to calculate the percentage).

Data for Alaska Airlines:

On Time-Delayed
Los Angeles 497-62
Phoenix 221-12
San Diego 212-20
San Francisco 503-102
Seattle 1841-305

Data for American West:

On Time-Delayed
Los Angeles 694-117
Phoenix 4840-415
San Diego 383-65
San Francisco 320-129
Seattle 201-61