Author Question: In a study on bruxism (grinding of the teeth), participants recorded for six months the number of ... (Read 46 times)

scienceeasy · **on:** Aug 4, 2018

In a study on bruxism (grinding of the teeth), participants recorded for six months the number of times per day they experienced facial pain. The data described above can be represented pictorially by a graph called

A) A frequency parabola.
B) A biaxial distribution.
C) A frequency tetrahedron.
D) A frequency polygon.

Question 2

In order to organize a large number of scores based on a continuous variable, it is necessary to use

A) A grouped frequency distribution.
B) A frequency distribution.
C) A graph.
D) A cross-tabulation.