Which Set of Scores Has the Smallest Standard Deviation No

question 2

Multiple Choice

Which set of scores has the smallest standard deviation no calculations allowed or needed) ?

• A) 11, 17, 31, 53
• B) 5, 11, 42, 22
• C) 155, 153, 155, 157
• D)27, 105, 10, 80

---

Definitions:

Intermittently

Occurring at irregular intervals; not continuous or steady, often with pauses or breaks in between.

Variable Ratio

A reinforcement schedule where a response is rewarded after an unpredictable number of responses, making it a powerful method for conditioning stable and high rates of responding.

Reinforcement

In operant conditioning, a consequence that will strengthen an organism's future behavior whenever that behavior is preceded by a specific antecedent stimulus.

Responses

Reactions or behaviors produced by an organism in response to a specific stimulus or situation.