The Scores Below Are from the Same Final Exam Given $\text { This year }$

question 49

Essay

The scores below are from the same final exam given in a math class in two different years.Compute the mean and median (if necessary)and the range and standard deviation of these scores.Using these statistics,describe the differences in the two sets of scores.
$\text { This year }$
$\begin{array}{|l|l|l|l|l|}\hline 35 \quad\quad\quad& 45 & 65 & 75 & 87 \\\hline 80 & 169 & 71 & 53 & 90 \\\hline 99 & 95 & 70 & 82 & 73 \\\hline 93 & 67 & 61 & 57 & 74 \\\hline 72 & 77 & 71 & 81 & 83 \\\hline\\\hline\end{array}$

$\text { Ten years }$
$\text { ago }$
$\begin{array}{|l|l|l|l|l|}\hline 56 \quad\quad\quad& 77 & 75 & 76 & 59 \\\hline 74 & 51 & 89 & 55 & 79 \\\hline 67 & 77 & 69 & 90 & 68 \\\hline 90 & 65 & 79 & 69 & 79 \\\hline 87 & 186 & 98 & 91 & 95 \\\hline\\\hline\end{array}$

---

Definitions:

Navigated

Travelled or steered through a course or path, often requiring skill and direction to reach a destination.

Developmental Psychologist

A professional who studies the psychological growth and change that occur throughout life, from infancy to old age.

Social Interaction

The process by which individuals act and react in relation to others, forming the basis of social relationships.

Cognitive Development

The process by which a person's ability to think, understand, and learn evolves over the course of their life.