Author Question: You are given the following sample data for two variables: Y X 10 100 8 110 12 90 15 200 16 ... (Read 29 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?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

For a complete list of videos, visit our video library