Stem and Leaf Plot
Stem and Leaf Plot
Hel o friends, today we are going to focus on a very intriguing topic of mathematics i.e. Stem
and leaf plots. As you al know statistics is an important part of math and whenever we learn
statistics we learn few important topics one of them is stem and leaf plots.
Whenever we have to show frequency with certain classes of value occur we use Stem and
Leaf Plot methods. It is very commonly used method using which we can calculate the
frequency distribution table or histogram values.
Stem and leaf method is used to analyze the large amount of data, as analyzing the large data
manually is very difficult. In stem and lead method we can use graphical, probability and
statistical methods.
Using this method we can simply calculate the value of any data its relative density, it is also
use to summarize the data. For plotting stem and leaf graph we use the following mention
points that are given as:
1. Firstly, analyze the values of the given data. For instance: the data value lies between 45 to
100 or form 1 to 50.
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2. After that calculate the values which repeats itself in the given data set and how many times
it is being repeated.
3. Suppose we have tenth digit, like we have 61, then we can take 6 and this tenth digit is
called as stem and 1 which is at one's position is called as leaf.
4. After evaluation of stem, you can easily calculate al values which are related with stem for
instance we have 32 33 37 39 as data values, then we have 3 as stem and values related to
stem are 2, 3, 7 and 9. The data values related to stem is commonly called as leaf.
Let's understand the concept in order to understand the concept properly and in detail. Few
data values are given as: 12 25 23 44 48 68 45 71 and we have to solve the given values
using step and leaf plot method.
Solution: step 1: firstly analyze al the given values-
Here all the numbers are present only once so we can say that no number is repeating itself.
Now, move to next step.
Step 2: the stem value from the above problems are:
1
2
4
6
7
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are the stem values because they al are present at tenth digit position of the above placed
values.
Step 3: Now in this step you wil evaluate al leaf values i.e. the values which are related with
stem-
1 = 2
2 = 5, 3
4 = 4, 5 and 8,
6 = 8
7 = 1
from here it is clear that values at ones position are cal ed as leaf values or right hand side
values are leaf value and the values at ten's position is cal ed as stem. Or in more simple
words we can say that right side value is known as leaf and left hand side value is cal ed as
step. I hope that now the topic stem-and-leaf plot is clear to you. It is easiest value to analyze
the large quantity of data and once you understand this you will enjoy solving questions
related to this.


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ThankYou
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