Author Question: Is the number of textbooks you bought this semester discrete or continuous random variable? ... (Read 23 times)

bio_gurl

  • Hero Member
  • *****
  • Posts: 524
Is the number of textbooks you bought this semester discrete or continuous random variable? Explain.

Question 2

Which of the following is not the goal of descriptive statistics?
 a. summarizing data
  b. displaying aspects of the collected data
  c. reporting numerical findings
  d. estimating characteristics of the population based on a sample
  e. none of these



izzat

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

The number of textbooks you bought this semester is a discrete random variable, since it can only assume a countable number of numerical values. A value of 2.75, for example, would not make sense.

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library