Calculate the Mean of the Grouped Data from the Given

question 16

Multiple Choice

Calculate the mean of the grouped data from the given frequency distribution. (Round your answer to the nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency } ( f ) \\\hline 20 \text { to } 29 & 1 \\\hline 30 \text { to } 39 & 3 \\\hline 40 \text { to } 49 & 3 \\\hline 50 \text { to } 59 & 1 \\\hline 60 \text { to } 69 & 1 \\\hline 70 \text { to } 79 & 1 \\\hline\end{array}$$

• A) 27.0
• B) 45.5
• C) 32.4
• D) 49.5

---

Definitions:

Ethnic Majority

The group within a given population or society that comprises the majority of members sharing the same cultural, linguistic, or racial background.

Social Learning View

The theory that suggests people develop prejudice and stereotypes about members of various groups in the same way they learn other attitudes, beliefs, and values.

Prejudicial Attitudes

Biased opinions or feelings against a person or group without sufficient knowledge, often leading to unfair treatment.

Stereotyping

The act of assigning oversimplified or generalized characteristics to a group of people, ignoring individual differences.