Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Mathematics
New Topic  
Scullion Scullion
wrote...
Go to Answer
Posts: 1378
Rep: 4 0
7 years ago
A quality control specialist compares the output from a machine with a new lubricant to the output of machines with the old lubricant.
A) Experimental
B) Observational
Read 163 times
4 Replies
Replies
Answer verified by a subject expert
JoannaMillsJoannaMills
wrote...
#1
Posts: 478
Rep: 12 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...
#2
Valued Member
7 years ago
A) Experimental
Scullion Author
wrote...
#3
7 years ago
My exam is literally tomorrow!

thanks
wrote...
#4
7 years ago
Good luck on your exam!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1272 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 311
  
 150
  
 367
Your Opinion
Do you believe in global warming?
Votes: 370
Previous poll results: Should Ph.D.'s be addressed as doctors?