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# Jumping G.J. Project

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by

## Benjamin Williams

on 7 October 2015

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#### Transcript of Jumping G.J. Project

Jumping G.I. Project
By: Maxwell,Durham,Williams, Griffith
A.K.A ROTCFACE
G.I.s! Attention!!
What: We drop our G.I.s off the top of football stadium to see how long he would parachute to the ground

How: we were given a diameter of 10in. for our chute as ordered by our commander. Then trooper that was given to us, was dropped of the off the stadium.

Hypothesis
Our trooper will have the longest flight time of all other troopers because our chute to trooper ratio is the most balanced.
Experiment
We take a garbage bag measure out a diameter of 10 inches, a trooper/penny, and sting that we measured to be the same length of the diameter.

Random variable-the time the trooper took to hit the ground
Confounding factor- length of string, weight of penny, wind,
Explanatory factor-the penny falling
Response variable-the penny hitting the floor

Our Class Work 10"
We dropped the trooper at the same height each trail.

10 in. diameter
Drop
1
Drop
2
Drop
3
Drop
4
Drop
5
6.91
4.65
11.55
7.71
8.48
Note:
All times are in seconds
Analyze and display data
When we plugged the data in it was seemed irregular. So we had to remove some outliers.
After modification
Through analyzing we figured out that the parachute with the 18 in. diameter was an outlier.
we eliminated the plot completely and re entered the data.

the a
Class Data
this is our class's data which we recorded and put into a table to where we could categorize it from the lowest diameter to the highest. we graphed it and then found the function and the reliability which is 57%.
Conclusion

Our function and vertex match are data because the parachute that had the best flight time was 10 in and the reliability would be 79% and that would be the best parachute diameter. we had to take out some data that were outliers and because we did that, that resulted in 10 inches being the best.