50 psychology students took a standardized test. the scores are summarized in the gfdt below. scored frequency 80 - 99 9 100 - 119 9 120 - 139 11 140 - 159 7 160 - 179 14 you would like to build a relative frequency distribution for this data set to easily compare it to another class of students. what is the relative frequency for the fourth class, 140 - 159? enter answer as a percent (but do not include the percent symbol). relative frequency