I Correlation Analysis Is a Group of Statistical Techniques Used

question 13

Multiple Choice

i. Correlation analysis is a group of statistical techniques used to measure the strength of the relationship (correlation) between two variables. ii. A correlation coefficient of -1 or +1 indicates perfect correlation.
iii. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.

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

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Definitions:

Sexually Transmitted Infections

Infections that are primarily spread through sexual contact; they can also be transferred by blood, needles, or from mother to child.

Common Bacterial STI

Refers to sexually transmitted infections caused by bacteria that are prevalent among sexually active individuals, such as chlamydia, gonorrhea, and syphilis.

Infectious Disease

Illnesses caused by pathogenic microorganisms, such as bacteria, viruses, fungi, or parasites, which can be transmitted, directly or indirectly, from one person to another.

Chlamydia

A common sexually transmitted infection (STI) caused by the bacterium Chlamydia trachomatis, which can affect both men and women.