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Difference Between Histogram and Bar Graphs Video Lecture - Class 8
FAQs on Difference Between Histogram and Bar Graphs Video Lecture - Class 8
| 1. What is the difference between a histogram and a bar graph? |  |
Ans. A histogram is a graphical representation that displays the frequency distribution of continuous data, while a bar graph is used to represent categorical or discrete data. The main difference between them is that a histogram has continuous data on the x-axis and the y-axis represents the frequency or count, whereas a bar graph has categorical data on the x-axis and the y-axis represents the values or counts.
| 2. How do histograms and bar graphs help in analyzing data? | |
Ans. Histograms and bar graphs help in analyzing data by providing a visual representation of the frequency or distribution of data. They allow us to easily identify patterns, trends, and outliers in the data. By looking at the shape and height of the bars or bins, we can understand the concentration or spread of the data points and make comparisons between different categories or groups.
| 3. Can histograms and bar graphs be used interchangeably? | |
Ans. No, histograms and bar graphs cannot be used interchangeably as they represent different types of data. Histograms are used for displaying the distribution of continuous data, while bar graphs are used for displaying categorical or discrete data. Interchanging them would result in misrepresentation and misinterpretation of the data.
| 4. How are histograms and bar graphs created? | |
Ans. Histograms are created by first dividing the entire range of data into a series of intervals or bins. Then, the frequency or count of data points falling within each interval is plotted on the y-axis against the corresponding interval on the x-axis. On the other hand, bar graphs are created by plotting the values or counts of different categories or groups on the y-axis against the corresponding categories on the x-axis.
| 5. When is it appropriate to use a histogram instead of a bar graph? | |
Ans. It is appropriate to use a histogram instead of a bar graph when dealing with continuous data, such as age, height, or time intervals. Histograms provide a visual representation of the distribution of data points within different intervals, allowing for a better understanding of the data's spread and concentration. Bar graphs, on the other hand, are more suitable for representing categorical or discrete data, such as different types of fruits or survey responses.
Text Transcript from Video
Welcome to MooMooMath where we upload a new
Math video everyday
In this video I would like to talk about the
difference between a histogram and a bar graph.
A histogram and a bar chart both ways to graph
data.
Both have an x and y axis, and both use a
bar to display the data.
With a histogram the categories are numerical.
For example, notice on this histogram the
x axis is the age of people in the room.
The ages are grouped in a numerical range.
In this next example, the histogram is graphing
the score on a test and the number of people
who scored in each range.
Also, the bars of a histogram touch
A bar graph uses categories such as types
of movies, color of eyes, and the bars do
not touch
For example, in this bar graph the categories
are grade level and the number of students
in each grade level.
Notice that the bars do not touch
In another example, the categories are types
of videos and the number of videos in each
type.
Again, the bars do not touch
In summary, histograms have bars that touch
and use quantities.
A bar graph have bars that don't touch and
use categorical data.
Thanks for watching
MooMooMath uploads a new Math video everyday
Please subscribe and share
Math video everyday
In this video I would like to talk about the
difference between a histogram and a bar graph.
A histogram and a bar chart both ways to graph
data.
Both have an x and y axis, and both use a
bar to display the data.
With a histogram the categories are numerical.
For example, notice on this histogram the
x axis is the age of people in the room.
The ages are grouped in a numerical range.
In this next example, the histogram is graphing
the score on a test and the number of people
who scored in each range.
Also, the bars of a histogram touch
A bar graph uses categories such as types
of movies, color of eyes, and the bars do
not touch
For example, in this bar graph the categories
are grade level and the number of students
in each grade level.
Notice that the bars do not touch
In another example, the categories are types
of videos and the number of videos in each
type.
Again, the bars do not touch
In summary, histograms have bars that touch
and use quantities.
A bar graph have bars that don't touch and
use categorical data.
Thanks for watching
MooMooMath uploads a new Math video everyday
Please subscribe and share
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Nov 22, 2024 Last updated |
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