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

Author Question: The covariance between two random variables is the correlation between the two variables divided by ... (Read 123 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
The covariance between two random variables is the correlation between the two variables divided by the product of their standard deviations.
 
  Indicate whether the statement is true or false

Question 2

Explain the difference between the terms variable and data. Include an illustration that demonstrates this difference.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

recede

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

FALSE

Answer to Question 2

Variable: a characteristic of interest about each individual element of a population or a sample
Data: refer to the value or values of the variable of interest
Illustration: The age of a person when he/she first attends a professional sporting event would be the characteristic of interest about each person and is a variable. Jim was 17 when he first attended a professional sporting event; 17 is the value of the variable for Jim and is data.




xclash

  • Member
  • Posts: 681
Reply 2 on: Jun 24, 2018
Wow, this really help


hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

For a complete list of videos, visit our video library