n psychology students took a standardized test. The scores are summarized in the GFDT below. Scores Frequency 80 - 89 18 90 - 99 16 100 - 109 11 110 - 119 120 - 129 11 130 - 139 53 The scores are also described in the cumulative table shown below. Scores Frequency less than 90 18 less than 100 34 less than 110 45 less than 120 56 less than 130 67 less than 140 n What is the missing value in the GFDT? answer = Question Help: Message instructor