A psychologist developed the new test of adult intelligence. The test was administered to 20 individuals, and the following data were obtained.
104, 88, 121, 114, 107, 91, 95, 117, 109 ,105, 87, 93 ,134, 142, 122 ,95,115, 112 ,108, 108.
Construct a stem-and-leaf display for the data, using a leaf unit of 1.