Author Question: Is the number of textbooks you bought this semester discrete or continuous random variable? ... (Read 77 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?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library