## Thursday, November 10, 2011

### Jairus Graphing post

#1.
- bar graph

advantage- best for comparing different data across categories

-double bar graph

advantage- best for comparing two sets of data across categories

-line graph

advantage- best for showing changes in data over time

nterpreted

-circle graph

advantage- best for comparing the whole using percent

disadvantage- is that you must make the sum into 100 and change the other categories to a proper percentage

-pictograph

advantage- best for comparing data that can be easily counted and represented using symbol

disadvantage- it does not show the rate of change in height

#2.
a) Distorting the scale -breaking the y-axis makes bad intervals

b) Distorting the visual -changing the size of the picture

c) Distorting the size of the bar -the area of the bar gets distorted

#2.a) Line graph -it shows data over time

#2.b) yes, the chart shows how much are sold in 4 weeks

#3.
a) the pictograph because it shows the viewer how much sold

b)