Thursday, September 24, 2009

Nhea's Scribepost Sept.24/09

Question 7. The table shows
the
heights of two friends
measured over time.


Questions;


a) Use a double bar graph and a double line graph to display the data.

b) How are the trends for Andrea and Lewis similar? How are they different?

c) Which graph do you think more clearly shows each student’s height trend? Explain your choice.

d) Would two circle graphs be effective
for displaying the data? Explain why or why not.

Answers;

a)















b)Andrea and Lewis are similar because they are the same hieght until about the age of six. But they are different because Andrea hits a growth spurt before Lewis does. Then around the age of 14 Lewis becomes taller then Andrea.




c)The Line Graph displays this data more clearly,
because a Bar Graph isn't exactly the most accurate in this case and a Line Graph is better used to display changes over time.








d)Two Circle Graphs wouldn't display
this
data effectively because this data has no total.

8 comments:

  1. Nice job "NHEA", the picture was good and your explanations were ok. If you had a picture for each of the questions like you did for "a)", it would have made the post much nicer :D Using colour would have spiffed it up a bit as well.

    ReplyDelete
  2. you explained it really well..you also answered it in complete sentence

    ReplyDelete
  3. WELL done Nhea! you explained it very clearly!. Keep up the good work !

    ReplyDelete
  4. i liked the diagram and the picture. well done

    ReplyDelete
  5. HI Nhea

    Mr Montgomery here. I teach maths to kids your age in Perth Western Australia.

    Thanks for taking the time to write in your blog. I'm sure Mr Harbeck appreciates it.

    This is a great post.

    ReplyDelete
  6. Thank you so much and I'll try that Ronny thanks

    ReplyDelete
  7. Well done Nhea! You've explained it very well! I liked that you used pictures to explain along with the answer! Next time you should make the layout more organized! Again Well Done Nhea!

    ReplyDelete

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