6 . 1 POINT The ages of 20 students enrolled in a yoga class at a university are given below. Construct a histogram for grouped data using 5 classes. 19, 19, 19, 20, 20, 20, 21, 23, 25, 26, 26, 27, 25, 25, 25, 31, 31, 33, 38, 46 Use the black dots on the r-axis to make the correct boundaries for the bars in the histogram. Use the minimum value in the data set as the first lower class limit