The Ages of the 45 Members of a Track and Field

question 14

Multiple Choice

The ages of the 45 members of a track and field team are listed below. Which of these_ choices display the correct stemplot? $\begin{array} { l l l l l l l l l l l l l l l } 21 & 18 & 42 & 35 & 32 & 21 & 44 & 25 & 38 & 48 & 14 & 19 & 23 & 22 & 28 \end{array}$
$\begin{array} { l l l l l l l l l l l l l l l } 32 & 34 & 27 & 31 & 17 & 16 & 41 & 37 & 22 & 24 & 33 & 32 & 21 & 26 & 30 \end{array}$
$\begin{array} { l l l l l l l l l l l l l l l } 22 & 27 & 32 & 30 & 20 & 18 & 17 & 21 & 15 & 26 & 36 & 31 & 40 & 16 & 25 \end{array}$

• A)
• \(\begin{array}{l|llll}
• 1 & 4 & & &\\
• 1&5&6&6&7&7&8&8&9\\
• 2&0&1&1&1&1&2&2&2&3&4\\
• 2&5&5&6&6&7&7&8\\
• 3&0&0&1&1&2&2&2&2&3&4\\
• 3&5&6&7&8\\
• 4&0&1&2&4\\
• 4&8
• \end{array}\)
• B)
• \(\begin{array}{l|llll}
• 1 & 4 & & &\\
• 1&5&6&6&7&7&8&8&9\\
• 2&0&1&1&1&1&2&2&2&3&4&5\\
• 2&5&5&6&6&7&7&8\\
• 3&0&0&1&1&2&2&2&2&3&4&5\\
• 3&5&6&7&8\\
• 4&0&1&2&4\\
• 4&8
• \end{array}\)

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Definitions:

Extinction

In conditioning, the process by which a conditioned response diminishes and eventually disappears following repeated exposure to the conditioned stimulus without the unconditioned stimulus.

Spontaneous Recovery

Spontaneous recovery refers to the reappearance of a previously extinguished conditioned response after a period of non-exposure to the conditioned stimulus.

Conditioned Responses

Conditioned responses are the behaviors that result from the association between a previously neutral stimulus and a conditioned stimulus through conditioning.

Extinction

In psychology, the gradual weakening of a conditioned response by not reinforcing the conditioning stimulus.