This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Before calculating a correlation coefficient, a researcher wants to determine whether the ... (Read 62 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jun 20, 2018
Before calculating a correlation coefficient, a researcher wants to determine whether the relationship between the two variables is linear. Which of the following would be most appropriate to use?
 
  a. Histogram c. Data matrix
  b. Frequency polygon d. Scatterplot

Question 2

If X is positively correlated with Y, one can conclude that
 
  a. X probably causes changes in Y.
  b. Y probably causes changes in X.
  c. changes in X and Y are both probably caused by Z.
  d. None of these is true.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jun 20, 2018
:D TYSM

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Determine the enthalpy change of this reaction Determine the enthalpy change of this reaction
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
Calculating Recommended Fat Intake Calculating Recommended Fat Intake
The system moves at 1.50 2 m/s while the inclined planes are rough. a) Determine the ... The system moves at 1.50 2 m/s while the inclined planes are rough. a) Determine the ...
Table - Correlation Analysis Table - Correlation Analysis
Calculating genotype frequencies from allele frequencies Calculating genotype frequencies from allele frequencies
Video: Adolescent Diabetes

For a complete list of videos, visit our video library