« previous next »

Author Question: A __________ correlation coefficient means that decreases in X are associated with decreases in Y; a ... (Read 85 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jun 20, 2018
A __________ correlation coefficient means that decreases in X are associated with decreases in Y; a __________ correlation coefficient means that decreases in X are associated with increases in Y.
 
  a. positive; negative
  b. zero; negative
  c. negative; positive
  d. positive; zero

Question 2

In a recent study, Mary found a correlation coefficient of .83 between the two variables, foot size and score on the math final. She concludes that these two variables have a strong ________ correlation.
 
  a. negative
  b. positive
  c. binary
  d. continuous


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ashley

  • Hero Member
  • *****
  • Posts: 584
Reply #2 on: Jun 20, 2018
Thank you


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Localization of a Peptide The peptide is revealed by means of immunocytochemistry. The photomicrogra Localization of a Peptide The peptide is revealed by means of immunocytochemistry. The photomicrogra
Atmospheric pressure decreases with increase in altitude. Atmospheric pressure decreases with increase in altitude.
Scatterplots of Variables Having Several Different Levels of Correlation Scatterplots of Variables Having Several Different Levels of Correlation
In the reaction C(s) + O2(g) CO2(g) carbon is __________. In the reaction C(s) + O2(g) CO2(g) carbon is __________.
Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage Calculating the coefficient of inbreeding (F) for the offspring of a first cousin marriage
This living protozoan is the common Paramecium multimicronucleatum that moves by means of its numero This living protozoan is the common Paramecium multimicronucleatum that moves by means of its numero
Video: Action potentials - electrical characteristics and generation

For a complete list of videos, visit our video library