120 psychology students took a standardized test. The scores are summarized in the Grouped Frequency Distribution below. Scores Frequency 100 - 109 10 110 - 119 17 120 - 129 19 130 - 139 17 140 - 149 17 150 - 159 40 The scores are also described in the cumulative table shown below. Scores Frequency less than 110 10 less than 120 27 less than 130 46 less than 140 less than 150 80 less than 160 120 What is the missing value in the cumulative Grouped Frequency Distribution? answer = 34 X