« previous next »

Author Question: The following graph resulted when a researcher plotted the paired scores from two sets of data: ... (Read 148 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
on: Jun 20, 2018
The following graph resulted when a researcher plotted the paired scores from two sets of data: Which of the following conclusions is justified from an examination of the graph?
 
  a. The coefficient of correlation is close to .50.
  b. The correlation between X and Y is negative and low.
  c. The correlation between X and Y is positive and high.
  d. A Spearman rho coefficient of correlation is appropriate for these data.
  e. A Pearson's coefficient of correlation is not appropriate for these data.

Question 2

If a relationship between two variables is spurious, we conclude that it is
 
  a. nearly always a cause and effect relationship.
  b. partially regressed.
  c. accounted for by another extraneous variable
  d. not a statistically significant relationship.
  e.


lauravaras

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 20, 2018
Answer to Question 1

E

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Dimensions for gathering data Dimensions for gathering data
Recognizing data clusters Recognizing data clusters
Progression Graph: Fitness Plan Progression Graph: Fitness Plan
How to calculate the mean for grouped data How to calculate the mean for grouped data
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below. State the transformations on the function f(x)= 4sin(x-pi)-2 and then graph two cycles below.
Video: Primate Evolutionary Tree Animation

For a complete list of videos, visit our video library