A bar graph showing the conditional distribution of the freq

A bar graph showing the conditional distribution of the frequency that a teen brought a cell phone to school among schools with a given level of permissiveness would have

The Pew Internet and American Life Project interviewed several hundred teens (ages 12 to 17). One question asked was “How often do you take your cell phone to school?” Below is a two-way table of the responses by how permissive the school is with regard to cell phone use: Data Set A bar graph showing the conditional distribution of the frequency that a teen brought a cell phone to school among schools with a given level of permissiveness would have

4 bars 12 bars 3 bars

Solution

4 bars