Author Question: Which is not true of a cumulative frequency distribution? a. It may be nonmonotonic. b. It ... (Read 32 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
Which is not true of a cumulative frequency distribution?
 
  a. It may be nonmonotonic.
  b. It begins at zero frequency.
  c. It indicates skewness of the distribution.
  d. The data points lie at the upper real limit of each interval.

Question 2

Which one of the following distributions is probably negatively skewed?
 
  a. family income in dollars per year
  b. scores on a very difficult test
  c. scores on a moderately difficult test
  d. scores on a very easy test



isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library