The Bureau of Transportation tracks the flight arrival performances of the 10 biggest airlines in the United States. Flights that arrive within 15 minutes of schedule are considered on time. Using sample data consistent with Bureau of Transportation statistics, in January 2001, a sample of 924 flights showed 742 on time and in January 2002, a sample of 841 flights showed 714 on time. Test the hypothesis at a 0.05 level of significance to determine whether the major airlines improved on-time flight performance during the one-year period. Compute for: null and alternative hypothesis in words level of significance and critical value/s and region (graph it please) compute the test statistic decision state the conclusion
The Bureau of Transportation tracks the flight arrival performances of the 10 biggest airlines in the United States. Flights that arrive within 15 minutes of schedule are considered on time. Using sample data consistent with Bureau of Transportation statistics, in January 2001, a sample of 924 flights showed 742 on time and in January 2002, a sample of 841 flights showed 714 on time. Test the hypothesis at a 0.05 level of significance to determine whether the major airlines improved on-time flight performance during the one-year period. Compute for: null and alternative hypothesis in words level of significance and critical value/s and region (graph it please) compute the test statistic decision state the conclusion
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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The Bureau of Transportation tracks the flight arrival performances of the 10 biggest airlines in the United
States. Flights that arrive within 15 minutes of schedule are considered on time. Using sample data consistent
with Bureau of Transportation statistics, in January 2001, a sample of 924 flights showed 742 on time and in
January 2002, a sample of 841 flights showed 714 on time. Test the hypothesis at a 0.05 level of significance
to determine whether the major airlines improved on-time flight performance during the one-year period.
Compute for:
- null and alternative hypothesis in words
- level of significance and critical value/s and region (graph it please)
- compute the test statistic
- decision
- state the conclusion
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