Author Question: What does the length of each line of a stem-and-leaf display represent? a. The percentage of ... (Read 87 times)

student77

  • Hero Member
  • *****
  • Posts: 567
What does the length of each line of a stem-and-leaf display represent?
 a. The percentage of observations in the interval represented by that stem.
  b. The number of observations in the interval represented by that stem.
  c. The total frequency of observations within or below that stem.
  d. The number of digits to the left of the decimal point.

Question 2

The Spearman rank-correlation coefficient for 20 pairs of data when di2 = 50 is _____.
 a. .0063
  b. .0376
  c. .9624
  d. .9937



debra928

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

B

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

For a complete list of videos, visit our video library