47 psychology students took a standardized test. The scores are summarized in the two tables below.

Classes Frequency Relative Frequency
100 - 104 19  
105 - 109 11  
110 - 114 17  

 

Classes Cumulative Frequency Cumulative Relative Frequency
100 - 104 19  
105 - 109    
110 - 114    

What are the missing values?