Unit 8 Practice Test: Data Analysis
Using the table below, answer the following questions.
The table shows the percent of females in the US labor force since 1990.
1. Graph the
data in a scatter plot.
Be sure to label your axis and give a title to your graph.
2. The graph has a ___________________
correlation.
3. Draw a line of best fit on your scatter plot and find
an equation.
4. Using your equation, estimate the percent of US
workers in farm occupations in 2018.
For each set of data, describe the correlation and explain your answer. Then estimate a correlation
coefficient for each set of data.
5.
6.
Using a
graphing calculator, find the line of best fit for the data, then use the