1. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups.

2. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126

3. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts :

4. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1. The left part will be the stem, in this case the tens place

5. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf

6. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf So we make a display that looks like this : STEM LEAVES 0 1 2 3 4 5 - The tens place digits are listed

7. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf So we make a display that looks like this : STEM LEAVES 0 1 2 3 4 5 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner

8. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf So we make a display that looks like this : STEM LEAVES 0 1 2 3 0 4 5 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner -30 will look like this

9. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf So we make a display that looks like this : STEM LEAVES 0 1 2 7 3 0 4 5 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner -30 will look like this -Then 27

10. Stem – and – Leaf Plots Stem – and – Leaf plots organize data into rank – order and arranges them into data groups. EXAMPLE : The following table shows the weight of carry – on luggage for am airline. The carry – on luggage is measured in pounds and was taken from a random sample of 40 passengers. 30271242354738362735 221729321038324133 26451843183231321921 33312829511232182126 To make the stem – and – leaf display, we are going to break the data into two parts : 1.The left part will be the stem, in this case the tens place 2.The remaining group of digits on the right is the leaf So we make a display that looks like this : STEM LEAVES 0 3 0 1 2 7 8 8 9 2 8 2 7 7 2 9 1 6 1 8 9 1 6 3 0 5 8 6 5 8 2 3 2 1 2 3 1 2 4 2 7 1 5 3 5 1 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner -30 will look like this -Then 27 -And so on for the entire table

11. Stem – and – Leaf Plots So we make a display that looks like this : STEM LEAVES 0 3 0 1 2 7 8 8 9 2 8 2 7 7 2 9 1 6 1 8 9 1 6 3 0 5 8 6 5 8 2 3 2 1 2 3 1 2 4 2 7 1 5 3 5 1 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner -30 will look like this -Then 27 -And so on for the entire table The leaves part of the data in this format is difficult to use, so we will organize it in increasing order… STEM LEAVES 0 0 3 1 2 2 7 8 8 8 9 2 1 1 1 2 6 6 7 7 8 9 9 3 0 1 1 2 2 2 2 3 3 5 5 6 8 8 4 1 2 3 5 7 5 1 So now we can see the frequency of the data…

12. Stem – and – Leaf Plots So we make a display that looks like this : STEM LEAVES 0 3 0 1 2 7 8 8 9 2 8 2 7 7 2 9 1 6 1 8 9 1 6 3 0 5 8 6 5 8 2 3 2 1 2 3 1 2 4 2 7 1 5 3 5 1 -The tens place digits are listed -Then start listing the digits to the right next to its tens place partner -30 will look like this -Then 27 -And so on for the entire table The leaves part of the data in this format is difficult to use, so we will organize it in increasing order… STEM LEAVES 0 0 3 1 2 2 7 8 8 8 9 2 1 1 1 2 6 6 7 7 8 9 9 3 0 1 1 2 2 2 2 3 3 5 5 6 8 8 4 1 2 3 5 7 5 1 So now we can see the frequency of the data… ** there are no rules for selecting the stem. But whichever group you select, you must list all the possibilities from smallest to largest.