This topic contains a solution. Click here to go to the answer

Author Question: Define observational study and experiment. Define the terms treatment group and control group as ... (Read 59 times)

lak

  • Hero Member
  • *****
  • Posts: 546
Define observational study and experiment. Define the terms treatment group and control group as part of your answer.
 
  What will be an ideal response?

Question 2

Suppose that two balanced dice, a red die and a green die, are rolled. Let Y denote the value of where G represents the number on the green die and R represents the number on the red die. What are the possible values of the random variable Y?
 
  A) 0, 1, 2, 3, 4, 5 B) 0, 1, 2, 3, 4, 5, 6
  C) -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5 D) -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

epscape

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

In an observational study, we observe and measure specific characteristics, but we don't attempt to manipulate or modify the subjects being studied. In an experiment we apply some treatment and then proceed to observe its effects on the subjects. In the experiment, the group receiving the treatment is called the treatment group. The control group is the group that is not given the treatment.

Answer to Question 2

C




lak

  • Member
  • Posts: 546
Reply 2 on: Jul 25, 2018
Gracias!


CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

For a complete list of videos, visit our video library