This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Advanced topic: If a study has 18 participants in the experimental group and 7 in the control group, ... (Read 110 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jun 20, 2018
Advanced topic: If a study has 18 participants in the experimental group and 7 in the control group, what is the harmonic mean?
 
  A) 18/(18+7) + 7/(18+7) = 1.00
  B) (2)(18)/(18+7) + (2)(7)/(18+7) = 2.00
  C) (2)(18)(7) / (18+7) = 10.08
  D) (18+7)2 / (18+7) = 25

Question 2

For the independent t test, the null hypothesis is always stated in terms
   of
 
  a. the sample means
  b. the population means
  c. both of these
  d. neither of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juicepod

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

b


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jun 20, 2018
Excellent

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant
Centers for disease control and prevention guidelines Centers for disease control and prevention guidelines
Gate control theory. A. open gate, B. closed gate Gate control theory. A. open gate, B. closed gate
Birth Control Methods and Abortion Birth Control Methods and Abortion
Ramey's study, children from poverty-level families IQ experiment Ramey's study, children from poverty-level families IQ experiment
Antisense RNA control of the expression of IS10 transposase Antisense RNA control of the expression of IS10 transposase
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library