Author Question: You are given the following sample data for two variables: Y X 10 100 8 110 12 90 15 200 16 ... (Read 60 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
You are given the following sample data for two variables:
 
  Y X
  10 100
  8 110
  12 90
  15 200
  16 150
  10 100
  10 80
  8 90
  12 150
 
  The sample correlation coefficient for these data is approximately r = 0.755.
   Indicate whether the statement is true or false

Question 2

A survey was recently conducted in which males and females were asked whether they owned a laptop personal computer. The following data were observed:
 
  Males Females
  Have Laptop 120 70
  No Laptop 50 60
 
  Given this information, the sample size in the survey was 300 people.
   Indicate whether the statement is true or false



ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

FALSE

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

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?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

For a complete list of videos, visit our video library