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Cash and mobile payment: Negatively correlated
Mobile payment and bank transfer: Not negatively correlated
Credit or debit card and mobile payment: Negatively correlated
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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A payment processor tracked the percentage of retail purchases made using each of four payment methods over six years.
For each of the following pairs of payment methods, select Negatively correlated if the data for the two methods show a negative correlation. Otherwise, select Not negatively correlated.
The OA will be automatically revealed on Friday 18th of September 2026 11:05:37 AM Pacific Time Zone
| Year | Cash | Credit or debit card | Mobile payment | Bank transfer |
|---|---|---|---|---|
| 2020 | 45% | 34% | 10% | 11% |
| 2021 | 39% | 35% | 13% | 13% |
| 2022 | 40% | 34% | 16% | 10% |
| 2023 | 36% | 33% | 19% | 12% |
| 2024 | 37% | 30% | 22% | 11% |
| 2025 | 32% | 29% | 25% | 14% |
| 2026 | 29% | 30% | 28% | 13% |
For each of the following pairs of payment methods, select Negatively correlated if the data for the two methods show a negative correlation. Otherwise, select Not negatively correlated.
| Negatively correlated | Not negatively correlated | |
| Cash and mobile payment | ||
| Mobile payment and bank transfer | ||
| Credit or debit card and mobile payment |
The OA will be automatically revealed on Friday 18th of September 2026 11:05:37 AM Pacific Time Zone
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