« previous next »

Author Question: Which of the following pairs of variables are probably positively correlated? a. weight and IQ of ... (Read 81 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
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
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

The electrophoretic mobility of a protein on an SDS polyacrylamide gel is related to its molecular w The electrophoretic mobility of a protein on an SDS polyacrylamide gel is related to its molecular w
Pairs of heavy and light chains combine to form a Y-shaped molecule Pairs of heavy and light chains combine to form a Y-shaped molecule
Activity, Food Restriction, and Weight Loss Activity, Food Restriction, and Weight Loss
a) Shift your weight at the end of your reach. b) Avoid overreaching. a) Shift your weight at the end of your reach. b) Avoid overreaching.
Relationship between birth weight and mortality in humans Relationship between birth weight and mortality in humans
Demographic transition model for changes in population growth rates and sizes, correlated with long- Demographic transition model for changes in population growth rates and sizes, correlated with long-
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library