Bar Graph

Advantage- Good for seeing which set of data is better

Disadvantage- You can't see the changes overtime

Double Bar Graph

Advantage- See both sets of data and you can easily compare them

Disadvantage- Not that accurate, it won't be in the exact place

Line Graph

Advantage- You can see the changes overtime

Disadvantage- It's not that accurate to see how many people likes it

Circle Graph

Advantage- It easily compares wholes of 2 data

Disadvantage- Hard to figure out the percent if there are more than 2 data

Pictograph

Advantage- It is good to compare data and can be counted easily

Disadvantage- Sometimes the symbol is half or not a whole so it is hard to tell what it's worth

First way to misinterpret a graph is a break in the y-axis

Second way to misinterpret a graph is make on bar larger than the others

Third way to misinterpret is in a pictograph you can make one picture larger than the others

2a) The following chart shows Pizza Sub Sales over a month. What 2 graphs would show the information accurately?

2b) If you were selling Pizza Subs would you continue? How does your graph explain your answer.

Answer

2a)The 2 graphs that would show the information more accurately is a line graph and bar graph

2b)Yes because each week they are selling more items

4. Below you see 2 different examples of graphs showing healthy choices sold at the canteen. If you had to convince Mrs Mota that we should continue selling healthy choices which graph would you choose?

4a) Change each graph so that your information looks even MORE impressive. You may not change the data just the graphs.

Answers

4) I would choose the line graph because it shows the changes and how it improved each month

4a)

## Sunday, November 13, 2011

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