Which Is the Correct Formula for the Proportionate Reduction in Error

question 78

Multiple Choice

Which is the correct formula for the proportionate reduction in error?

• A) (b) \(\frac { \sqrt { S S _ { x } } } { \sqrt { S S _ { y } } }\)
• B) \(\frac { X - M _ { n } } { S D _ { n } }\)
• C) a + bX
• D) \(( \operatorname { SStotan } - \mathrm { SSen \sigma } )\)
• SNtral

---

Definitions:

Arthritis Pain

Discomfort, soreness, or ache in the joints caused by inflammation, characteristic of arthritis.

Depression

A mood disorder causing a persistent feeling of sadness and loss of interest, affecting how you feel, think, and handle daily activities.

Anxiety

Experiencing a nervous or uneasy feeling, usually about something that's going to occur or has an unclear ending.

Couch Potato

A slang term for a person who spends a lot of time sitting or lying down, watching television or engaging in other forms of screen-based entertainment, with little to no physical activity.