This topic contains a solution. Click here to go to the answer

Author Question: Before calculating a correlation coefficient, a researcher wants to determine whether the ... (Read 88 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
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
Answer to Question 1

D

Answer to Question 2

D




roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jun 20, 2018
Gracias!


mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

For a complete list of videos, visit our video library