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 79 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
Gracias!

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Hormonal Control of Development of the Internal Sex Organs Hormonal Control of Development of the Internal Sex Organs
Group Studying Group Studying
Experimental Apparatus for Fluidization Experiment Experimental Apparatus for Fluidization Experiment
10 side effect of birth control pills 10 side effect of birth control pills
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Feedback control of ADH secretion Feedback control of ADH secretion
Video: Wound Cultures

For a complete list of videos, visit our video library