Which word best describes the degree of overlap between the two data sets? none moderate high low two line plots with the same scale and interval, from zero to sixty, with tick marks every five units. the plots are stacked vertically for comparison. each plot has fifteen data values. values appear as x marks above the line. upper plot data values are one x mark above thirty, two x makrs above thirty-five, four x marks above forty, four x marks above forty-five, one x mark above fifty, two x marks above fifty-five, and one x mark above sixty. lower plot data values are three x marks above five, four x marks above ten, three x marks above fifteen, two x marks above twenty, one x mark above twenty-five, one x mark above thirty, and one x mark above thirty-five.