Which statement is true about the distribution? a line ranging from 0 to 120 with boxes between 15 and 28, 28 and 34, 34 and 40, and 40 and 48. the iqr is the best measure of variability because the distribution has an outlier. either the iqr or the range are good measures of variability because the distribution has an outlier. either the iqr or the range are good measures of variability because the distribution has no outliers. the range is the best measure of variability because the distribution has an outlier.