« previous next »

Author Question: Which of the following pairs of variables are probably positively correlated? a. weight and IQ of ... (Read 42 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Tree species richness in North America is correlated with evapotranspiration rate. Tree species richness in North America is correlated with evapotranspiration rate.
Some ion pairs that stabilize the T state of deoxyhemoglobin Some ion pairs that stabilize the T state of deoxyhemoglobin
Sample Exercise Prescription for Weight Training: Beginner Sample Exercise Prescription for Weight Training: Beginner
Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ... Data from more than 22,000 men over the age of 40, showing the relationship between birth weight and ...
Positively charged chromatography resin bead Positively charged chromatography resin bead
Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester
Video: Enzyme structure - Properties of enzymes

For a complete list of videos, visit our video library