Please determine what non-parametric test to use and test hypothesis.

Hypothesis 3:Other revenues show a positive relationship with gross profits for Southwest Airlines.

Table 1 Delta Airlines Profits and Other Revenue 2016 - 2020 Gross Profits in Other Revenue in Gross Profits Other Other Millions Millions without Other Revenue in Revenue in (difference) Revenue in millions - Millions - Millions Mean Mean 2 2016 6353 3484 2869 -748.2 17908032.84 2017 5500 4052 1448 -180.2 2018 5151 4683 468 450.8 2019 6198 4730 1468 497.8 2020 -15495 4212 -19707 -20.2 Note. Derived from SEC filings details. (n.d.). Delta Air Lines, Inc. https://ir.delta.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=13913710. Table 2 Southwest Airlines Profits and Other Revenue 2016 -2020 Gross Profits in Millions Other Revenue in Gross Profits without Millions (difference) Other Revenue in Millions 2016 3450 1221 2229 2017 3265 1383 1882 2018 3164 1510 1654 2019 2957 1652 1305 2020 -4256 1383 -5639Table 1 Delta Airlines Profits and Other Revenue 2016 - 2020 Gross Profits in Other Revenue in Gross Profits Other Other Millions Millions without Other Revenue in Revenue in (difference) Revenue in millions - Millions - Millions Mean Mean 2 2016 6353 3484 2869 -748.2 17908032.84 2017 5500 4052 1448 -180.2 2018 5151 4683 468 450.8 2019 6198 4730 1468 497.8 2020 -15495 4212 -19707 -20.2 Note. Derived from SEC filings details. (n.d.). Delta Air Lines, Inc. https://ir.delta.com/financials/sec-filings/sec-filings-details/default.aspx?FilingId=13913710. Table 2 Southwest Airlines Profits and Other Revenue 2016 -2020 Gross Profits in Millions Other Revenue in Gross Profits without Millions (difference) Other Revenue in Millions 2016 3450 1221 2229 2017 3265 1383 1882 2018 3164 1510 1654 2019 2957 1652 1305 2020 -4256 1383 -5639