Use t-test to test hypothesis show steps. Hypothesis: Other revenues show a positive relationship with gross profits for Delta Airlines. Given Delta Airlines Year Gross
Use t-test to test hypothesis show steps.
- Hypothesis: Other revenues show a positive relationship with gross profits for Delta Airlines.
Given
Delta Airlines
Year Gross Profits in Millions Other Revenue in Millions
2016 6353 3484
2017 5500 4052
2018 5151 4683
2019 6198 4730
2020 -15495 4212
Southwest Airlines
Year Gross Profits in Millions Other Revenue in Millions
2016 3450 1221
2017 3265 1383
2018 3164 1510
2019 2957 1652
2020 -4256 1383
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Authors: Murray R Spiegel, Robert E Moyer
4th Edition
0071825851, 9780071825856
