Author Question: In using the t-test to compare the difference between the means of two groups, the formula for ... (Read 38 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
In using the t-test to compare the difference between the means of two groups, the formula for determining the degrees of freedom is ___________________ _.
 Fill in the blank(s) with correct word

Question 2

Joseph is having trouble writing a good positioning statement for the accounting software his company sells. What could be causing Joseph's problem?
 a. His software is too expensive.
  b. His software is like his competitors' software.
  c. His software can be sold online and in computer stores.
  d. His software is unique.



katieost

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

n1 + n2 - 2

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

For a complete list of videos, visit our video library