Author Question: You are given the following sample data for two variables: Y X 10 100 8 110 12 90 15 200 16 ... (Read 64 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?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

For a complete list of videos, visit our video library