advantage of a bar graph is that it is best to use for comparing data across categories.
Disadvantage - it is used to seperate data.
Double bar graph
advantage- it is used to compare two sets a data
disadvantage-it doesn't show the true value
advantage- its best for showing percents
disadvantage- you have to calculate to show the true value
advantage- you can tell wheather a set of data is increasing or decreasing over time
disadvantage- can only be used to compare data over time
advantage- you can see which piece of data is higher or lower
disadvantage- you have to calculate to get the true value
2. How can graphs be misleading? show 3 ways
You can mislead a pictograph if you make one piece of data larger than the others.
You can mislead a bar graph by breaking the y-axis so the intevals will be more closer together.
You can also mislead a bar graph by making one bar larger.
2. a) A line graph or a bar graph would be best for comparing this set of data.
b)I would continue selling pizza subs because every week the sales are going up.
4. a) I would choose a line graph because it shows the data more accurately.
Michael S 8-17