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. Construct an expanded stemplot with about 8 rows. $\begin{array} { l l l l l l l l l l l l l l l } 21 & 18 & 42 & 35 & 32 & 21 & 44 & 25 & 38 & 48 & 14 & 19 & 23 & 22 & 28 \end{array}$
$\begin{array} { l l l l l l l l l l l l l l l } 32 & 34 & 27 & 31 & 17 & 16 & 41 & 37 & 22 & 24 & 33 & 32 & 21 & 26 & 30 \end{array}$
$\begin{array} { l l l l l l l l l l l l l l l } 22 & 27 & 32 & 30 & 20 & 18 & 17 & 21 & 15 & 26 & 36 & 31 & 40 & 16 & 25 \end{array}$

• A)
• \(\begin{array}{l|l}
• 1 & 4 \\
• 1 & 56677889 \\
• 2 & 0111122234 \\
• 2 & 5566778 \\
• 3 & 0011222234 \\
• 3 & 5678 \\
• 4 & 0124 \\
• 4 & 8
• \end{array}\)
• B)
• \(\begin{array}{l|l}
• 1 & 45 \\
• 1 & 56677889 \\
• 2 & 011112223455 \\
• 2 & 5566778 \\
• 3 & 00112222345 \\
• 3 & 5678 \\
• 4 & 0124 \\
• 4 & 8
• \end{array}\)

---

Definitions:

Social Interactions

The dynamic processes by which individuals act and react in relation to others.

Psychological Development

The changes and growth in psychological capabilities, encompassing emotional, intellectual, and social aspects, through the lifespan.

Cognitive Development

Maturation of mental processes and tools individuals use to obtain knowledge, think, and solve problems.

Residential Communities

Communities where individuals and families live together, sharing common spaces and resources, fostering a sense of belonging and mutual support.