The Following Frequency Distribution Shows the ACT Scores of a Sample

question 22

Essay

The following frequency distribution shows the ACT scores of a sample of students: $$\begin{array} { l r } \text { Score } & \text { Frequency } \\14 - 18 & 2 \\19 - 23 & 5 \\24 - 28 & 12 \\29 - 33 & 1\end{array}$$ For the above data, compute the following.
a.
The mean
b.
The standard deviation

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Definitions:

American Slavery

The institutional practice of owning and exploiting African Americans as property for labor, prevalent in the United States until the Civil War.

Dissolve the Union

The concept referring to the secession of Southern states from the United States, leading to the Civil War.

Richmond

The capital city of the Commonwealth of Virginia in the United States, known for its rich history, particularly during the American Civil War as the capital of the Confederacy.

Slavery

A system in which individuals are owned by others, deprived of personal freedom, and forced to work without compensation.