Question

The U.S. Census tracks the percentage of persons 25 years or older who are college graduates. That data for several years is given in the table below. Determine whether the trend appears linear. If so, and assuming the trend continues, in what year will the percentage exceed 35%?YearPercent Graduates199021.3199221.4199422.2199623.6199824.4200025.6200226.7200427.7200628200829.4Using this tool we find the linear regression line to be y=Answer The percentage will exceed 35% in the year Answer Using this tool we find the r-value to be Answer

Answer 1

We would plot these points using the linear regression tool. The years would be plotted on the x axis and the percent graduates would be plotted on the y axis. The scatter plot is shown below