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My son's science experiment

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Old 01-25-2008, 11:32 AM
  #11  
Nontypical Buck
 
Join Date: Dec 2005
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Posts: 3,246
Default RE: My son's science experiment

ORIGINAL: dmurphy317

Chap,
I emailed you the data this morning. Thanks for your help.

For the rest of you, here is a link that may help with ANOVA (ANalysis Of VAriance)

http://en.wikipedia.org/wiki/Analysis_of_variance
Analysis completed and emailed to you in PDF format. There are statistically significant differences for all variables (velocity, penetration, before weight, after weight), but no differences in % weight loss. Chap

PS. When your son is finished with the other 4 shots, just email me the data, I saved all my programs to convert it from Excel into SAS. SAS=Statistical Analysis System (or use to mean that 30 years ago). I don't expect the results to be any different with the other 4 shots, so if he is under a time gun you can just go with these results.

gleason.chapman is offline  
Old 01-25-2008, 01:42 PM
  #12  
 
Join Date: Jul 2006
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Posts: 5,180
Default RE: My son's science experiment

All them big words chap uses sure makes my head hurt
frontier gander is offline  
Old 01-28-2008, 02:56 PM
  #13  
Nontypical Buck
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Join Date: Aug 2005
Location: New Mexico
Posts: 1,081
Default RE: My son's science experiment

Well my son finally found the time to measure the expansion of the bullets from his testing so far. Here are the averages for the 3 bullet types.

Round Ball = .834

Ballet = .610

Maxiball = .594

More to follow as we hope to finish some more testing this weekend, pictures included.
dmurphy317 is offline  
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