SOCIAL SCIENCE: Immigration The per centage of immigrants in the United States has c...

SOCIAL SCIENCE: Immigration The per centage of immigrants in the United States has changed since World War I as shown in the following table.

a. Number the data columns with x-values 0–8 (so that x stands for decades since 1930) and use quadratic regression to fi t a parabola to the data. State the regression function. [Hint: See Example 10.]

b. Use your curve to estimate the percentage in 2016

Reference : Example 10