I believe the answer is: double-blind experiment
In double blind experiments, the subjects that receive the treatment is remained unknown by both the researchers and the subjects until the experiment is finished. The main purpose of double-blind experiment it eliminate the bias of perception that might exist among researchers.
Answer: -0.81
Explanation:
A standard normal random variable simply refers to the normally distributed random variable which has a imean of 0 and also had a standard deviation that has the value of 1.
The standard normal variable can also be represented by the letter Z. For some value of Z, the probability that a standard normal variable is below Z is 0.2090. The value of Z is -0.81.
Answer:
1) a. town warrant
2) d. city councils
3) c. Massachusetts department of elementary and secondary education
4) idk
Explanation:
Answer: Social class
Explanation:
Social class refers to a category of people who have similarities in financial status and social attributes. By social attributes, they could be in same social club, or same religious body.
It was smarter and more tactical instead of facing them head on and he won when he went through the Alps
