Q23
Single choice
An environmental scientist is researching the relationship between various environmental factors and the viability of a specific invasive plant species. They have developed a linear regression model to measure growth rate in relation to temperature, humidity, air quality index, and other variables. The scientist now aims to assess the performance of the model, focusing particularly on its goodness of fit. They need to select a metric that will indicate the proportion of the variance in the growth rate that is predicted from the independent variables.
Which metric will do this?