The Frequency Polygon in the Below Figure Shows the Approximate $\frac { 1 } { 2 }$

question 45

Multiple Choice

The frequency polygon in the below Figure shows the approximate numbers of runners in the 2008 Boston Marathon to finish in each of the given time slots (times are given in hours and minutes) . Use the following figure. Determine the approximate number of runners who finished with times between 2 $\frac { 1 } { 2 }$ hours and 6 hours.

• A) 23,000 runners
• B) 22,000 runners
• C) 21,000 runners
• D) 24,000 runners
• E) 20,000 runners

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Definitions:

Positive Reinforcement

A method in behavioral psychology where a desirable stimulus is introduced after a behavior, increasing the likelihood of that behavior being repeated.

Negative Reinforcement

A type of operant conditioning that occurs when a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.

Laboratory Experiments

Controlled research studies conducted in a lab setting to test hypotheses by manipulating variables.

Assessment Techniques

Methods and tools used to evaluate individuals’ cognitive, emotional, and behavioral functioning, often for diagnostic and treatment planning purposes.