From: Effects of crude oil prices on copper and maize prices
Null hypothesis (Ho) | χ2 | Prob | Result |
---|---|---|---|
Copper price does not cause maize price | 3.972015 | 0.2645 | Accept |
Crude oil price does not cause maize price | 1.213336 | 0.7498 | Accept |
Copper and crude oil prices do not cause maize price | 5.102809 | 0.5307 | Accept |
Maize price does not cause copper price | 1.01283 | 0.7981 | Accept |
Crude oil price does not cause copper price | 4.038705 | 0.2573 | Accept |
Maize price and crude oil price do not cause copper price | 5.13613 | 0.5265 | Accept |
Maize price does not cause crude oil price | 1.391198 | 0.7076 | Accept |
Copper price does not cause crude oil price | 17.16264 | 0.0007 | Reject |
Copper price and maize price do not cause crude oil price | 18.71209 | 0.0047 | Reject |