Author Question: Which of the following statements about shapes of histograms is true? a. A histogram is said to be ... (Read 75 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
Which of the following statements about shapes of histograms is true?
 a. A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram, the two sides are identical in shape and size.
  b. A negatively skewed histogram is one with a long tail extending to the left.
  c. A positively skewed histogram is one with a long tail extending to the right.
  d. All of these choices are true.

Question 2

A nonparametric test would be used if _____.
 a. nominal data are available
  b. interval data are available
  c. it is known that the population is normally distributed
  d. None of the answers is correct.



Madisongo23

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

D

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library