用你的鼠标拖动数据点和它们的误差范围,并观看实时拟合的多项式曲线图象。选择你需要拟合的类型,如线性、平方、立方、或四次方。不同的拟合类型会显示出哪种拟合是准确的。你也可以通过尝试手动调整合适的参数来找到最佳的拟合图象。
HSS-ID.B.6
Represent data on two quantitative variables on a scatter plot, and describe how the variables are related.
HSS-ID.B.6a
Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models.
HSS-ID.B.6b
Informally assess the fit of a function by plotting and analyzing residuals.