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Compares trends over even time intervals?
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What interval would you use for the vertical axis of the bar graph?
There's no right answer, but you should consider what you are trying to show. Many bar charts have between 5 to 10 intervals, generally even intervals. The minimum and maximum of your vertical axis might be a bit below and above your data. Do you want to highlight the differences of the groups of data? If so, chose a range that closely brackets your data. For example, you make a bar chart to show the average heights of men and women of various races. If your data ranges from 5' 2" to 5' 10", you might begin your chart at 5" and end at 6", with 2" incrrements, which would highlight the differences. If your chart range was 0 to 10', you would probably not observe the differences in the groups.
Why is a pie chart called a pie chart and not a cake chart?
A pie chart is called a pie chart because it looks like a piece of pie cut into sections... It ISN'T called a cake chart, because a cake chart would be to controversial. - iow (in other words) - a cake can be multi-layered, or it can have fancy icing, or even small figures or toys... Where as a pie is almost always flat (depending on the pie), never has fancy icing, and is never multi-layered... To put it another way, a cake chart would be hard to explain, where as a pie chart is what everyone is familiar with, and almost no explaining is required... Put's less pressure on everyone to just pie chart.
A bar graph that compares two related sets of data?
what is a bar graph that compares two related sets of data? newtest3 i am doing homework and i dont even know the answer .i studied this in class , took notes and i still forgot ...thats just ashame o feel so bad.
What will an index tell you?
Indexes provide useful information including: Even with their limitations, indexes show trends and changes in investing patterns. They can give snapshots of market activity, even if they don't tell the whole story. Indexes provide a yardstick for comparison over time.
