Question

which set of data belongs to this stem - and - leaf plot?
key 1|2 = 12
8,12,17,18,19,22,31,35,40
8,8,12,17,19,22,23,31,35,40
8,12,17,18,19,22,23,31,35,40
8,12,17,18,19,22,22,23,31,35,40

Explanation:

Step1: Interpret stem - leaf values

The stem - and - leaf plot has a key of \(1|2 = 12\). For stem \(0\) and leaf \(8\), the value is \(8\). For stem \(1\) and leaves \(2,7,8,9\), the values are \(12,17,18,19\). For stem \(2\) and leaves \(2,3\), the values are \(22,23\). For stem \(3\) and leaves \(1,5\), the values are \(31,35\). For stem \(4\) and leaf \(0\), the value is \(40\).

Answer:

\(8,12,17,18,19,22,23,31,35,40\) (the third option)