The dot plots below show the scores for a group of students who took two rounds of a quiz: two dot plots are shown one below the other. the title for the dot plot on the top is round 1 and the title for the bottom plot is round 2. below the line for each dot plot is written score. there are markings from 5 to 9 on the line at intervals of one. there are 3 dots above the mark 6, 3 dots above the mark 7, and 4 dots above the mark 8. for the bottom dot plot there are 2 dots above the mark 5, 4 dots above the mark 7, 1 dot above the mark 8, and 3 dots above the mark 9. which of the following inferences can be made using the dot plot?