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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
When and where do you use a pictograph?
There are several different types of pictographs. A pictograph may be used to symbolise a word of a group of words in some cultures, such as Chinese or ancient Egyptian hieroglyphs. A pictograph may also be a chart or graph which uses symbols to represent values, such as population levels.
A pictograph shows the information that you have gathered (data) but it shows pictures to represent the info.
when you are trying to represent a frequency distribution or when you want to fool around with a girl
What is the difference between a line graph and a pie graph?
a pie graph is a circle shape or the shape of a pie. for each answer of the data given, it is then changed in to an angle which is transferred into the circle showing the percentage of data. A line graph is set up like a column graph except you don't put the columns in, instead you put a dot next to the number of data for each one you would draw a column next to. when you have drawn all the dots you join them together which makes a line and shows you the data.
A pie chart which is the most used chart in the business world is used to show how much something is worth compared to the whole thing. A chart is usually based on a 100% scale and each slice to the chart is a certain percentage of the whole thing. The bigger the slice is the more percentage of the whole thing is made up of that part or slice. It can be used to show how much something is liked compared to other things, business sales by each business compared to a whole and sports stats also.
Because the information can be easily read and therefore makes it easy to present and analyse data. Each section can be viewed easily with different sections and colours.
A pie chart is not used for sophisticated mathematical analysis. It is used to show how a given quantity is divided up, in a way can be easily seen.
A pie chart is best used when representing how the measured statistic, or "piece," fits into the whole "pie" (100%).
For example: In a family of 6, there is a father, mother, 3 brothers and 1 sister. A pie chart comparing males to females in this family would show a 72% male piece and a 38% female piece.
A line graph shows information that grows (raises) over a certain time.... Example: Growth of a plant within a year (timelaps)
What is a double line graph used for?
It is used to find the change in data. For example weather, high and low temperature. Hope this helped.
Why were Chinese pictographs created?
The ancient Chinese created pictographs as a way of explaining their ancient stories to their kids.They started drawing the pictures of the stones and showing the kids a story!
Later,they became pictographs!
Click on the 'Bar Graph' link below to see what a bar graph looks like.
When Do you Use A Double Line Graph?
A double line graph is used to compare two sets of data. Usually the data is taken over a period of time and compared at set intervals.
When would you use a pie chart or bar chart?
A bar chart can be used to show comparisons and trends. A pie chart can be used to show fractions of a whole or percentages.
How is a graph similar to a data table?
A graph is similar to a data table in that they both present the data. A difference is that the graph is more of a visual representation. Often, trends in the data are easy to recognize in the visual representation of the graph.
What does a cumulative frequency histogram show?
it shows the realtive distinction between a varied set of data. the bars show wight, not height
How do you know when to use a bar graph?
You would use a bar graph is useful when the independent variable (x-variable) is categorical.
But there are no hard and fast rules. If it conveys the relevant information effectively then use it and if not don't.
What does a double bar graph compare in two sets of data?
When you are talking about data that is not continous. When you are talking about data that is not continous.
What real-life situations might a straight-line graph be applicable?
Number of calories vs. amount of weight gain.
Length of a candle vs. time it is burning.
Miles driven vs. gallons of gas used.
What is the axis of a bar graph?
Bar graphs are typically placed on the standard X-Y coordinate system. There are two axes: x and y.
What is the definition of pie chart?
As per the dictionary, a circular chart cut by radii into segments illustrating relative magnitudes or frequencies -called also circle graph. See the related link for verification.
To make a data table you must make a chart with how ever many columns you are going to need and then fill out your information.
How can a bar graph be used to show trends?
Arrange your bar graph so that each bar is a separate time period (weeks, months, financial years, etc.) along the x-axis and the values for those time periods are represented on the y-axis. For example, you could have a bar graph where each bar represents the number of widget sales per year and each bar is a separate year (e.g. 2000, 2001, 2002). This could be used to show a trend in annual widget sales over several years.
