120 psychology students took a standardized test. The scores are summarized in the GFDT below.       Scores          Frequency    80 - 99 19 100 - 119 14 120 - 139 19 140 - 159 14 160 - 179 12 180 - 199 42 The scores are also described in the cumulative table shown below.       Scores          Frequency    less than 100 19 less than 120 33 less than 140 52 less than 160   less than 180 78 less than 200 120 What is the missing value in the cumulative GFDT?answer =

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