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It is a useful scheme to summarise data. It provides information on the central tendency (median) and a measure of spread (inter-quartile range). The total range is also indicated and outliers are separately identified. The location of the median within the IQR "box" provides an indication of the skewness of the data.
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What kind of graph would you use for numerical data?
you could use almost any kind of graph if you label it. But i would stay away from pie graphs. I would use a box and whisker plot.
How are scatter plots useful?
megan turn on your headlights! the snake is in the bush ^what kind of answer was that -.-
What kind of graph or plot would you use to find the median age of the teachers at a school?
A Box and Whisker Plot.
What kind of data would a line plot be used for?
I think line plots are used to collect a numerous of data.
What is the purpose of a Box and Whisker?
As far as i can remember, a box and whisker is to sketch out the "Lower Extreme", The "Lower Quartile", The "Median", the "Upper Quartile", the "Upper Extreme" and the "Inter-Quartile Range" as well as the Range. To be honest, it is kind of useless, it just shows those above things in an easier way. Hope this helped :)
