Find the Variance for the Given Data $21.1\quad14.8\quad39.1\quad37.6\quad17.4\quad24.2$ Compute the Standard Deviation S

question 71

Multiple Choice

Find the variance for the given data. Round your answer to one more decimal place than the original data.
-The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below:
$21.1\quad14.8\quad39.1\quad37.6\quad17.4\quad24.2$
Compute the standard deviation s.

• A)38.4
• B)3962.9
• C)4495.2
• D)10.32

---

Definitions:

Grade Equivalent

A measure that describes a student's performance in terms of the grade level at which the average score is the same.

Ninth Grade

Refers to the ninth year of schooling in many educational systems, often the first year of high school in the United States.

Stanine

A nine-point scale used primarily in educational assessments to classify scores into nine broad levels, with 5 being average.