(Solved): Patients who undergo chronic hemodialysis often experience severe anxiety. The data to the right g ...

Patients who undergo chronic hemodialysis often experience severe anxiety. The data to the right give score results from a psychiatric questionnaire for patients that viewed relaxation videotapes, where higher scores correspond to higher anxiety. Use limit grouping with a first class of \( 15-21 \) and a class width of 7 to complete parts \( (\mathrm{a}) \) through (d). a. Determine a frequency distribution.