If the standard deviation of one of the variables equals zero, r cannot be calculated. Indicate ...

Author Question: If the standard deviation of one of the variables equals zero, r cannot be calculated. Indicate ... (Read 94 times)

rlane42

Hero Member
Posts: 594

on: Jun 19, 2018

If the standard deviation of one of the variables equals zero, r cannot be calculated.

Indicate whether the statement is true or false

Question 2

If one calculates r for a set of numbers and then adds a constant to each value of one of the variables, the correlation will change.

Indicate whether the statement is true or false

perkiness

Sr. Member
Posts: 348

Reply #1 on: Jun 19, 2018

Answer to Question 1

T

Answer to Question 2

F

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.