Find the Standard Deviation of the Data Summarized in the Given

question 70

Multiple Choice

Find the standard deviation of the data summarized in the given frequency distribution.
-The heights of a group of professional basketball players are summarized in the frequency distribution below. Find the standard deviation. Round your answer to one decimal place. $\begin{array}{l}\text { Height (in.) Frequency }\\\begin{array}{lr}70-71 & 3 \\72-73 & 7 \\74-75 & 16 \\76-77 & 12 \\78-79 & 10 \\80-81 & 4 \\82-83 & 1\end{array}\end{array}$

• A) 3.3 in.
• B) 3.2 in.
• C) 2.9 in.
• D) 2.8 in.

---

Definitions:

Megasporangium

A plant structure that produces megaspores, which develop into female gametophytes in seed plants and certain ferns.

Ovules

Small structures within the ovary of seed plants that develop into seeds upon fertilization.

Over-The-Counter

Refers to drugs or medications that can be purchased without a prescription, available directly to consumers.

Ginkgo Tree

A unique species of tree, Ginkgo biloba, known for its fan-shaped leaves and status as a living fossil, having no close living relatives.