1.

Bar graph:

Advantage- Best for comparing data across categories.

Disadvantage- Can be easily misinterpreted.

Double-Bar graph:

Advantage- Best for comparing two sets of data across categories.

Disadvantage- Can be easily misinterpreted.

Line graph:

Advantage- Best for showing changes in data over time.

Disadvantage- Use only with continuous data.

Pictograph:

Advantage- Best for comparing data that can be easily counted and represented using symbols.

Disadvantage- It does not show the rate of change in height.

Circle Graph:

Advantage- Best for comparing categories to the whole using percents. The sum of the percents in a circle graph is 100%.

Disadvantage- Good for comparing to only 3-7 categories.

*I couldn't fix the sizes*

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2.

Distorting the scale: A break in the y axis would create bad intervals.

Distorting the visuals: Making a category's visuals larger than the other categories would take up more space than the other categories.

Distorting the size of bars: One bar's width are larger than the other bars.

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3a)

If you wanted to know how well your sales were going, I would pick a line graph.

If you wanted to compare a week's sales, I would pick a bar graph.

3b)

Yes I would continue.

By using both line graph and a bar graph, you could see that every week the sales are increasing.

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4.

If I were to convince Mrs. Mota that we should continue selling Healthy Food Choices, I would pick the line graph as my representative. I would choose a line graph because it shows how Healthy Food Choices that are being sold, are increasing every month.

4a)

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