What is the overlap of Data Set 1 and Data Set 2? high moderate low none Two line plots aligned vertically so that their labels match. The first line plot is from 1 to 9, is labeled Data Set 1, and shows the following values that appear as x marks above the line. Three x marks above 3. Two x marks above 4. Two x marks above 5. One x mark above 6. One x mark above 7. The second line plot is also from 1 to 9, is labeled Data Set 2, and shows the following values that appear as x marks above the line. One x mark above 3. One x mark above 4. Two x marks above 5. Two x marks above 6. Three x marks above 7.