Thursday, November 10, 2011

Sheila's Graphing Post

1) Use your notes to list different types of graphs.Please list the advantages and disadvantages of each graph.

1a) Bar graphs: This are best for showing comparing data across categories.
Disavantage: This graph can only compare one set of data.
1b) Double Bar graphs: These are the best for comparing two sets of data across categories.
Disadvantages: You need 2 sets of data to use a double bar graph.
1c) Line graphs: Are best for showing changes in data over time.
Disadvantages: The line graph can only show one set of data.
1d) Circle graphs: Are the best for comparing categories to the whole using a percent.
Disadvantages : It's hard to compare 2 sets of data.
1e) Pictograph: This is the best for comparing data tat can be easily counted and represented using symbols.
Disadvantages: You have to calculate to know the data.

2) How can graphs be misleading. Show 3 ways.

3a) The following chart shows Pizza Sub Sales over a month. What 2 graphs would show the information accurately?
My answer: A line graph will show to data accurately.

3b) If you were selling Pizza Subs would you continue? How does your graph explain your answer.
Answer: Well if I was selling Pizaa Subs, I would keep on selling cause it is selling more and more each week.

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

Answer: If i was going to convice Mrs.Mota that we should keep on selling healthy choices, I would have to choose a line graph because it shows that students are buying healthy choices each month.

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

If you need more help here is a link to help you more on bar graphs.
And since there is something wrong with me uploading the video on to this post here is a link for it.

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