How do you get the key in a stem and leaf plot?

Answer 1

Here is the marks that each student has got after an exam in the class ploted out in a stem and leaf plot.

1-0234

2-34

3-56

4-678

5-0

6-134

7-689

8-049

9-26

Now for the key...

Key: 6-9 means 69

The key is based on entirely what numbers you have used in the stem and leaf plot. The key is just the meaning for what sort of digits you are trying to talk about. If we don't use keys. Then when we look at 2-3, we might think that it is 2.3

Anyway you can get the key by looking at what data you are doing and just take out one section of the data. Here is another example:

Here is the amount of pocket money received by a group of children represented in a stem and leaf plot:

1-345

2-167

3-89

Key: 2-6=2.6

In other words the key is just like the legend on a map. Just by looking at the stem and leaf plot you should be able to find it. I don't know if this would help... But I hope you would find this useful!! Good luck in stem and leaf plots!

it is an example of the numbers