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# Histograms in maths! watch

1. Hi
Just wondering what u wud use histograms to show????
thanx!
2. (Original post by CHAD)
Hi
Just wondering what u wud use histograms to show????
thanx!

PLEASE! Someone must no!
3. This any help?

http://mathforum.org/library/drmath/view/57612.html
4. histograms are pictoral representations of continuous variables, where;
the x-axis is the continuous variable
and the y-axis is the frequency density
5. (Original post by zazy)
histograms are pictoral representations of continuous variables, where;
the x-axis is the continuous variable
and the y-axis is the frequency density

mmmm yeah, i just kinda wanted 2 no wot they can represent if u get me, see my original thread i think i worded it better there, but thanx anyway!
6. (Original post by LS.)
This any help?

http://mathforum.org/library/drmath/view/57612.html

kinda didnt work
7. histograms represent any form of continuous quantitative data
8. (Original post by CHAD)
kinda didnt work
Try copying and pasting the link.
9. (Original post by elpaw)
histograms represent any form of continuous quantitative data

so if i had the bmi's of boys in year 7, how wud i represent that in a histogram?
10. histograms and bar charts are closey related
. in a histogram the frequency of the data is shown by the area of each bar ( in a bar chart the frequency is shown by the height of the bar.)
.histograms have bars or columns, whose width is in proportion to the size of the group of data each bar represents, the class width, so the bars may have different widths ( in a bar chart the widths of each bar are usually the same.
. the vertical scale is labelled ' frequency density'. ( in a bar chart the vertical scale is the actual frequency.)
Histograms can only be used to show continous data which is numercial and grouped.

i hope this helps.

loz xx

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