# stats

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).

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

1. Cannot construct bar graph here.

For each airline, calculate total times, then total on time and total delayed. Divide latter two by total times to get %. Draw bars.

posted by PsyDAG

## Similar Questions

1. ### stats

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
2. ### Word Problem.

Describe the misuse or misinterpretation of statistics that may be involved: Over 60% of the people who fly to Normal, Illinois, do so on American Airlines. Hence, most people prefer American to any other airline. I would think
3. ### statistics

For the major airlines, 21% of all flights depart at least 15 minutes late with a standard deviation of 5%. Currently, 24% of all American Airlines flights depart at least 15 minutes late. If American wants to be in the top 10% of
4. ### homework

Airline work: Topic: Philippines 1. Does Philippine Airlines check your ticket before take off or when your in the sky? (there is a posiblitiy that they could do both or none at all) 2.Did Philippine Airlines change there seat and
5. ### grammar

Is there a dangling modifier in this sentence? Flying over the oak tree, the farmer saw the flock of birds that had damaged his crops. How did the farmer fly? Contential airlines? or American Airlines? gotcha!
6. ### economics

suppose15 percent increase in the price of airlines causes a 10 percent decline in the quantity demanded, what is the elasticity of demand for airlines?
7. ### Math Statistics

26. Flight Data: Use the times required to taxi out for takeoff. For American Airlines, how is it helpful to find the mean? Taxi Out: 30 19 12 19 18 22 37 13 14 15 31 15 16 14 15 27 19 22 22 23 16 13 16 18 15 12 19 18 21 20 13 15
8. ### statistics

Please, give the formula and steps to do this problem. Thank you The average length of a flight by regional airlines in the United States has been reported as 299 miles. If a simple random sample of 30 flights by regional airlines