The Life Expectancies, in Years, in Ten Selected Central and South

question 50

Multiple Choice

The life expectancies, in years, in ten selected Central and South American countries are given at the below.
a. Find the mean life expectancy in this group of countries.
b. Find the median life expectancy in this group of countries.
$$\begin{array} { c c } \text { COUNTRY } & \text { LIFE } \\& \text { EXPECTANCY } \\\text { Brazil } & 73 \\\text { Chile } & 77 \\\text { Costa Rica } & 77 \\\text { Ecuador } & 77 \\\text { Guatemala } & 82 \\\text { Panama } & 85 \\\text { Peru } & 82 \\\text { Trinidad and Tobago } & 60 \\\text { Uruguay } & 88 \\\text { Venezuela } & 74\end{array}$$

• A) Mean: 80.5 years; median: 80 years
• B) Mean: 81.5 years; median: 79 years
• C) Mean: 78.5 years; median: 78 years
• D) Mean: 77.5 years; median: 77 years
• E) Mean: 79.5 years; median: 76 years

---

Definitions:

Focus Groups

A research method where a small, diverse group of people whose reactions, perceptions, and opinions are studied regarding a particular topic or concept.

Packaging and Labeling

The process of designing and producing the container or wrapper for a product along with the tags or labels providing information about it.

Brand Recognition

The extent to which the general public is able to identify a brand by its attributes, such as logo, jingle, packaging, or advertising.

Brand Preference

The inclination of consumers to choose a particular brand over others, influenced by past experiences, advertising, and perceptions of quality.