PLS HELP Data values were collected and recorded about the time, in minutes, a class of second graders spent independently reading. 08 9 10 1 4 5 8 20 0 1 2 3 3 5 30 1 5 5 6 41 5 Key: 1|0 represents 10 minutes What is the median number of minutes the second graders spent reading? 21 22 21.5 23