SOLUTION: A(n) _____________ is a variable that can be used to differentiate one group or population from another.
a. factor
b. level
c. observation
d. replicate
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-> SOLUTION: A(n) _____________ is a variable that can be used to differentiate one group or population from another.
a. factor
b. level
c. observation
d. replicate
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Question 139939: A(n) _____________ is a variable that can be used to differentiate one group or population from another.
a. factor
b. level
c. observation
d. replicate