I a Correlation Coefficient of -1 or +1 Indicates Perfect

question 93

Multiple Choice

i. A correlation coefficient of -1 or +1 indicates perfect correlation.
ii. The strength of the correlation between two variables depends on the sign of the coefficient of
Correlation.
iii. If the coefficient of correlation is -0.90, the coefficient of determination is -0.81.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) is a correct statement but not (ii) or (iii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Hemiplegic Patient

An individual who has paralysis on one entire side of their body, often due to a stroke or brain injury.

Wheelchair Brakes

Mechanical devices on a wheelchair that lock the wheels in place to prevent movement for safety and stability.

Arthritis

A condition causing inflammation, stiffness, and pain in the joints.

Nursing Diagnosis

A clinical judgment about individual, family, or community responses to actual or potential health problems/life processes that provide the basis for selecting nursing interventions.