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Graphs
Graphs often collect a set of data in a group of people. There are many kinds of graphs: pie charts (circle charts), bar graphs, line graphs, data tables, pictographs, flow charts, histograms, etc.
2,316 Questions
increasing the interval would decreasing the degrees of accuracy of the graph, optically the line seem flatter
How can you identify continuous variables on a line graph?
With great difficulty. This is because if the variable is recorded by people, it will be rounded. That process will make it discrete - even if the underlying variable is continuous.
For example, time is a continuous variable, but time is normally recorded in seconds. At track events it may be measured in hundredths of seconds and in some labs in much smaller units. Nevertheless it will always be in discrete "chunks".
What is a scatter plot line graph used for?
Scatter plot line graphs are used:
- In research to see trends
- by Actuaries to predict insurance rates
- by economist to predict the economy
The general idea is to derive a trend or general theme for a series of points of data.
What are the x and y axis for on a bar graph?
One axis contains the data sequence, whether categories, time, etc.
The other axis is used to represent the magnitude of each datum in the sequence.
For example, a bar graph of annual rainfall over 10 years from 2000-2009 might have an X axis labeled for each year and a Y axis indicating inches of rain fall.
The bars in the graph would then stretch up over each year value to the level on the Y axis representing the amount of rain that fell that year.
Why are points in a line graph connected but not in a bar graph?
i asked my dad and he didn't know but i think its because bar charts are never connected
How to estimate the average on a line graph?
You cannot, because you will not know whether the observations are evenly spaced.
What is difference between a bar graph circle graph and line graph and when would you use them?
I'm in sixth grade and I use circle graphs in social studies and bar and line graphs in science
How can a line graph be used to describe a relationship?
It depends on what kind of relationship. If it's business wise, then it can describe a relationship between products and sales. If it is mathematics wise, then it can be used to describe a relationship by showing the differences and similarities of different products.
Why are data tables a good way for an investigator to present data for interpretation?
well in the siencetific setps you have data that's were you do the expererment and you colect the information and something's like when your doing a basket ball experement youl have a data chart
How can you find a trend on a table or graph?
which ever bar or table that is the most on a table or bar graph... : )
EX: 10 Is the most on the table ,
20 is the highest thing on the bar graph
What might a graph show that a data table does not?
The graph could go on forever while a data table only shows a part of the graph.
What data is shown in a pie chart?
Any numerical data showing percentage (share) of different elements (segments) of a whole (the disk - the pie). For example, the pie can have three slices of different sizes with respect to shares of audience of a TV program or a public figure: one slice will show how many peopled surveyed in a poll like it or him/her, another one how many dislike, and yet a third one how many do not know it or him/her, or decline to say their viewpoint. Alternetively, it can show different sources of income of a person, a family, or a legal entity. There can be any number of slices - as many as parts of a whole totalling up to 100 per cent. Pie charts and other diagrams can be automatically generated by office software from numerical input.
How are circle line and bar graphs alike and different?
A circle graph (also called pie chart, because the different data representations look like slices of a pie) will represent the data as a portion (percentage) of the whole (a full circle).
A bar graph will show absolute values of each data.
Both graphs allow you to compare the different data categories to each other (which one is biggest, smallest, etc.)
What are the advantages and disadvantages of a bar graph?
Advantages:
- You can compare things easily
- You can make a decision quickly
Disadvantages:
- It can be time consuming to draw a bar graph
- A bar graph does not show data collectively as a whole
What does a line graph in which the data points do not fall along a straight line mean?
There are several possible answers:
The line is actually meant to be a curved line and not a straight line.
The relationship between the two variables is not a linear function.
Discovering this can be one of the main reasons for drawing the graph.
The data points are empirical measurements (from an experiment, for example)
and there are errors associated with the observations. The errors may be systematic
or random.
You have made mistakes - either in recording the data or in plotting them.
Where is the independent variable and the dependent variable on the line graph?
The dependent variable is on the vertical y axis and the independent on the horizontal x axis
In the equation for example y = 3x then y is dependent on the independent variable x
