Introduction: In this lab, we measured each other’s wingspan and height (in
cm). The purpose of this is to learn how to create charts and graphs.
Questions:
1. Look back at your table of data. Do you see any
pattern(s) emerging? If so, what pattern(s) do you see?
The pattern in the table do data that I see is that everyone’s wingspan is
either exactly the same or very close to their height.
2. Where does your best-fit line cross one of your axes?
What does this mean?
The line of best fit touches the Y axis at 147. This means that nobody had a
wingspan of 0.
3. Where would you expect the line to cross the axes?
Why?
The line would cross the axis at (0,0) because if you have no height then you
have no wingspan.
4. Describe how you could use a graph to predict a person’s
wingspan.
To find a persons wingspan using the graph then you would find there height
on the x axis and go up until you meet the line.
5. An average 3 year-old is about 91 cm tall. Use your
best-fit line to predict his wingspan.
An average 3 year-olds wingspan would be around 91cm.