The slope is a measure of the steepness of a line on a graph. In this context, it represents the change in average balance mass for every unit change in total mass.
The slope can be calculated by dividing the change in average balance mass by the change in total mass. This can be done by selecting two points on the graph and using the formula: slope = (y2-y1)/(x2-x1). Alternatively, you can use a linear regression tool or software to calculate the slope.
A positive slope indicates that as the total mass increases, the average balance mass also increases. This means that there is a direct relationship between the two variables, and as one increases, the other also increases.
A negative slope indicates that as the total mass increases, the average balance mass decreases. This means that there is an inverse relationship between the two variables, and as one increases, the other decreases.
Finding the slope can help to determine the relationship between two variables and can be used to make predictions or draw conclusions. It can also be used to calculate other important parameters, such as the rate of change or growth rate, in the context of the experiment.