Learn by Doing – State the Hypotheses
According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is 0.22. A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor’s degree or higher education level.
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12003_179.swf
Hint
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12004_179.swf
Hint
A study investigated whether there are differences between the mean IQ level of people who were reared by their biological parents and those who were reared by someone else.
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12005_179.swf
Hint
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/LBD_12006_179.swf
Hint
This document is linked from Steps in Hypothesis Testing.