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 41 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
Excellent

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The human body produces and destroys 15 million blood cells every second.

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.

Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ... Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ...
How to determine the interquartile range How to determine the interquartile range
Determine exact value of tan2x,sin2x, and cos2x Determine exact value of tan2x,sin2x, and cos2x
Algebraically determine the exact value of sin(-π/6)+cos (7 π/4) Algebraically determine the exact value of sin(-π/6)+cos (7 π/4)
Illustrated correlation between the Mendelian postulates of unit factors Illustrated correlation between the Mendelian postulates of unit factors
Sketch the graph using the tables providing. Determine if each function is continuous or ... Sketch the graph using the tables providing. Determine if each function is continuous or ...
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

For a complete list of videos, visit our video library