Please correct if I have stated the right correlation to the following relationships:

a) volume of auto traffic and auto accident rate -> 0 correlation

b) pesticide and crop yield -> negative correlation

c) consumption and GDP -> positive correlation

Your correlations look good! However, I would like to clarify that correlation is a statistical measure that determines the relationship between two variables. It ranges from -1 to +1, where -1 represents a perfect negative correlation, +1 represents a perfect positive correlation, and 0 represents no correlation.

a) Volume of auto traffic and auto accident rate: You correctly stated that there is no correlation (0 correlation) between these two variables. This implies that the volume of auto traffic does not have a statistically significant impact on the auto accident rate.

b) Pesticide and crop yield: You correctly identified a negative correlation between pesticide usage and crop yield. This means that as pesticide usage increases, crop yield typically decreases. However, keep in mind that correlation does not necessarily imply causation. There could be other factors at play that influence crop yield.

c) Consumption and GDP: You correctly mentioned a positive correlation between consumption and GDP. This indicates that as consumption (spending by individuals and households) increases, GDP (the total value of goods and services produced in a country) also tends to increase. It's important to note that consumption is a significant component of GDP, but there are other factors that affect GDP as well, such as investments and government spending.