Author Question: A null hypothesis states that there is ____________ relationship between two variables. a. no b. ... (Read 138 times)

erika

  • Hero Member
  • *****
  • Posts: 522
A null hypothesis states that there is ____________ relationship between two variables.
 
  a. no
  b. doubtful
  c. significant
  d. statistically proven

Question 2

The rule of 68-95-99.7 states that in a normal distribution, 99.7 of the data will fall within ____________ standard deviation(s) of the mean.
 
  a. one
  b. two
  c. three
  d. four



mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

a. no

Answer to Question 2

c. three



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library