120 psychology students took a standardized test. The scores are summarized in the GFDT below.       Scores          Frequency    100 - 119 11 120 - 139 12 140 - 159 20 160 - 179 11 180 - 199 13 200 - 219 53 The scores are also described in the cumulative table shown below.       Scores          Frequency    less than 120 11 less than 140 23 less than 160 43 less than 180   less than 200 67 less than 220 120 What is the missing value in the cumulative GFDT?answer =

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