C11.

Based on the Monitoring the Future 2014 survey, we investigate the type of paid work for 8th and 10th graders. Percentages are reported.

1. W ha t is the appropriate measure of variability for these variables? Why?

2. Calculate the appropriate measure of variability for each variable.

3. Was there more variability in type of job for 8th or 10th graders? Offer an explanation for your findings.