This topic contains a solution. Click here to go to the answer

Author Question: Generally speaking, if two variables are unrelated, the covariance will be a number close to zero. ... (Read 77 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551
Generally speaking, if two variables are unrelated, the covariance will be a number close to zero.
  Indicate whether the statement is true or false

Question 2

If the standard deviations of x and y are 12.5 and 10.8, respectively, and the covariance is 118.8, then the coefficient of correlation r is 0.88.
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

T

Answer to Question 2

T




clmills979

  • Member
  • Posts: 551
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

For a complete list of videos, visit our video library