How is the precision of a new method compared to the precision of ...

[saraeharris]

How is the precision of a new method compared to the precision of the current method?
 
  A) By calculating the standard deviation from the mean
  B) By creating a double-blind study
  C) By using an F test
  D) By using a Student's t test

Question 2

If a solution is held at a constant temperature of 25C, at what pH would it be considered neutral?
 
  A) 1
  B) 6
  C) 7
  D) 10

[trampas]

Answer to Question 1

C

Answer to Question 2

C

[saraeharris]

Thanks for the timely response, appreciate it

[sultana.d]

Wow, this really help