=+14. The article “Statistical Modeling of the Time Course of Tantrum Anger” (J. of Applied Stats, 2009: 1013–

1034) discussed how anger intensity in children’s tantrums could be related to tantrum duration as well as behavioral indicators such as shouting, stamping, pushing, and pulling. The following frequency distribution was given (as well as the corresponding histogram):

02,2: 136 22,4: 92 42,11: 71 112,20: 26 202,30: 7 302,40: 3