The scores from 50 psychology students that took a standardized test are summarized in the given table. Scores Frequency 60 - 79 80 -99 8. 100 - 119 120-139 10 140 159 15 If a relative frequency distribution is constructed for this data set, what is the relative frequency for the fifth class, 140- 159? Round the answer to two decimal places. Relative frequency =

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