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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

What is a sentence for the word line graph?

today i will be making a line graph for how much money i made during the week.

What are some things to remember when determining the interval for a histogram?

Make sure intervals start low enough to include the minimum value and extend high enough to include the maximum value. The intervals should not overlap or have any gaps. Between 5 and 10 intervals is reasonable.Greater than 10 or fewer than 5 intervals can result in a display that is not very helpful for seeing patterns in the data.

Why is it important to display data using a histogram?

It makes Data simpler to compare as opposed to a chart

How do you make a histogram for a data set?

A histogram is basically a bar graph but no spaces in between. That is what I was taught at school a few years ago. But here is a source to check out.

How do circle and line graphs carry information differently?

A circle graph show what percent of a whole category a specific item takes, like 50% of horses are brown, that would take up half of the circle graph. A line graph usually shows an amount of something that changes over time, and that's why the line sort of lookes like a lightning bolt. (wierd way to describe it) The points and lines are connected, the points are over a date (usually)

What sets of data would best be shown as a bar graph?

Lets say how many people like the water slide than the wave pool. if 10 people like the wave pool and 30 people like the water slide then thats what you would put down on the bar graph.

What s a double bar graph?

It is very similar to a bar graph, but it compares two variables under the same conditions multiple times. (Assuming that makes sense)

Let's say you are creating a bargraph that has movie genres on the x axis (romance, horror, etc. ) and Ticket sales on the y-axis.

That would be ok, but you coiuld also compare men and women if you want.

So, for every category, you have two bar graphs side by side, one represents males and other females.

How do you show 30 percent on a pie chart?

A segcot whose angular measure (at the centre) is 360*30/100 = 108 degrees.

Who does the bar council represent?

Bar council represents bars and pubs. They are there to make sure that all places have their ABC licenses and are doing business within the correct guidlines.

Do the bars have to touch in a histogram?

Usually yes, although it is possible for there to be bars of 0 height which may give the appearance of gaps betwwen bars.

Why on a line graph do all the points not fit exactly on the line?

because they are annoying like that.

the reason it's called a line graph is because you join up the dots with a line.

or you can leave the dots unjoined (a scatter graph) and draw a line of best fit.

this is a line that doesn't touch any of the dots, but has a roughly equal amount on each side. there is no right or wrong line of best fit, but you cant have, say, 4 dots on one side and 1 on the other. the point of 'lines of best fit' are to show roughly where the dots go - the pattern of the data.

HOWEVER, if drawing a line of best fit, you must first identify, then discredit any ANOMALIES, which are results of the data that are very different to the other answers; they do not fit into the pattern.

How do you get median and mode from histogram?

You can't. You can get the median and mode from the data set, but not the histogram itself.

When do you use line graphs in maths?

When form example showing the difference in each year of the increase of carbon dioxide. Does that answer your question or do i have to explain further??

What is the purpose of key for double-bar graph?

To Tell whether which is which.

For example let's say you have a red bar and blue bar, how are people going to know which is which? So that's the purpose of the key.

Why is it important to label a bar graph?

So you know what your talking about and what's in it so you can figure out how much is what and this is coming from a 4th grader.

When you draw the bar on a bar graph do they go horiztonal or vertical?

You can do either. Depending on how they look and how many data points you have.

Why the histogram equalization operation is idempotent?

yes,the histogram equalization operation is idempotent