Answer:
C.) each treatment is thought of as a value of the explanatory variable
Step-by-step explanation:
The main purpose for using randomization in an experiment is to control the lurking variable and establish a cause and effect relationship.
If we do not control lurking, or confounding, variables, we cannot accurately establish a cause and effect relationship; this means we cannot ensure that each treatment is a value of the explanatory variable.
Well, what's the diffrence from 5/4 to 3/8?

so, if we take 5/4 to be the 100%, what is 7/8 off of it in percentage anyway?
Answer:
This study uses random sampling
This study uses a control group
This study uses a repeated measures design
Answer:
1/9 = 0.11111111 ( infinite )
Step-by-step explanation:
Answer:
176000cm
Step-by-step explanation:
1.76km * 1000m / 1km * 100cm / 1m = 176000cm