isplay of data is used more often in the media when you have a nominal independent variable with only a few categories and a scale dependent variable?...

Which type of visual display of data is used more often in the media when you have a nominal independent variable with only a few categories and a scale dependent variable? Use this grouped frequency table to answer the following questions: Age RangeFrequencyPercentage0 - 192,41024.5220 - 394,19042.6240 - 593,23032.86 6) What is the upper class limit of the first interval?7) What is the lower class limit of the last interval?8) What is the class width?9) What percentage of people were between the ages of 20 and 39.9?