Jan measures the height, in millimetres, of 20 plants in her green house here are her results: 178,189,147,147,166,167,153,171,164,158 189,166,165,155,152,147,158,151,172,148
sort lowest to highest
147,147,147,148,151,152,153,155,158,158,164,165,166,166,167,171,172,178,189,189
the stems are 2 digits
stem | leaf
14 | 7 7 7 8
15 | 1 2 3 5 8 8
16 | 4 5 6 6 7
17 | 1 2 8
18 | 9 9