Answer: a qualitative variable
Step-by-step explanation :
A qualitative variable, also called a categorical variable, are variables that are not numerical.
It describes data that fits into categories. For example: Eye colors (variables include: blue, green, brown, hazel)
Answer:
Blind Study
Step-by-step explanation:
The answer is blind study because in a double blind study neither the subjects or the researchers know the control group. in an open study everyone knows who is in the control group.
Answer: Divide the 4/4 then subtract that from 12.
Step-by-step explanation:
Use PEMDAS. The Division comes first, then the subtraction.