Author Question: Consider a situation in which both a frequency distribution and a relative frequency distribution ... (Read 53 times)

CORALGRILL2014

  • Hero Member
  • *****
  • Posts: 525
Consider a situation in which both a frequency distribution and a relative frequency distribution have been developed for the same quantitative variable.
 
  If histograms are constructed from each distribution, the graphs will appear to have the same shape. Indicate whether the statement is true or false

Question 2

If we are testing for the difference between the means of two paired populations with samples of n1 = 20 and n2 = 20, the number of degrees of freedom is equal to:
 
  A) 39
  B) 38
  C) 19
  D) 18



firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

TRUE

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

For a complete list of videos, visit our video library