For this problem, students have to read and interpret a scatterplot about the length and width of birds’ eggs.

It is a good problem for exploring some of the following standards assessed on the HSE exam:

• Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval. Estimate the rate of change from a graph 
• Distinguish between situations that can be modeled with linear functions and with exponential functions. Recognize situations in which one quantity changes at a constant rate per unit interval relative to another.
• Interpret the slope (rate of change) and the intercept (constant term) of a linear model in the context of the data.