Find the Standard Deviation for the Given Sample Data $$\begin{array} { l l l l l l l } 55 & 18 & 39 & 20 & 20 & 44 & 69\end{array}$$

question 168

Multiple Choice

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in
the original data.
-Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores: $$\begin{array} { l l l l l l l } 55 & 18 & 39 & 20 & 20 & 44 & 69\end{array}$$

• A) 39
• B) 12,367
• C) 10,032.1
• D) 19.7

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Definitions:

Life Span

The maximum duration of life of a species; in humans, the longest period that individuals of the species can live under optimal conditions.

Mortality

The incidence or risk of death within a population or group.

Resilience

The capacity to recover quickly from difficulties; toughness.

Presbycusis

Loss of acuteness of hearing due to age-related degenerative changes in the ear.