Author Question: Which of the following pairs of variables are probably positively correlated? a. weight and IQ of ... (Read 73 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
Which of the following pairs of variables are probably positively correlated?
 
  a. weight and IQ of a person
  b. amount of time spent rehearsing material and amount learned
  c. the amount of traffic in a city and the city's air quality
  d. price of gasoline and number of miles driven per week

Question 2

The number of legs on a centipede is an example of a(an) _______ scale.
 
  a. nominal c. ratio
  b. ordinal d. continuous



Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

B
Things that are positively correlated increase and decrease together.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

For a complete list of videos, visit our video library