Author Question: A null hypothesis states that there is ____________ relationship between two variables. a. no b. ... (Read 139 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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

For a complete list of videos, visit our video library