Author Question: Consider a situation in which both a frequency distribution and a relative frequency distribution ... (Read 68 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?

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?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library