**1)**

**Bar Graphs**

Advantage- Bar graphs are best for comparing data across categories.

Disadvantage- The intervals are hard to identify.

**Double Bar graphs**Advantage- Double Bar graphs are can compare two or three sets of data. Disadvantage-Depending on the scale, the number of one category might be hard to identify.

**Circle graphs**

**Advantage - comparing the part to whole.****Line graph**Advantage - Line graphs are the only graphs that compares data overtime.

Disadvantage- It can only show 1 set of data.

**Pictographs**Advantage-Pictographs are easy to read.

Disadvantage- All of the pictures have to be the same size.

**2)**

**How are graphs misleading. show 3 ways.**

distorting the scale.

distorting the size of bars.

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

**a-**** **A line graph and a bar graph would show information accuratley.

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

I would continue selling Pizza Subs because the items sold each week is increasing. A line graph would show changes in the data over time and it would be going up

**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?

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

Heres a link that can help you more with grahs.

Heres a video about graphs.

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