For the Following Data Set, Approximate the Sample Standard Deviation

question 6

Multiple Choice

For the following data set, approximate the sample standard deviation of monthly telephone bills (in dollars) . $$\begin{array} { c | c } \text { Bill (in \$) } & \text { Frequency } \\\hline 50 - 52 & 2 \\53 - 55 & 5 \\56 - 58 & 12 \\59 - 61 & 19 \\62 - 64 & 7\end{array}$$

• A) $3.11
• B) $58.60
• C) $93.12
• D) $9.65

---

Definitions:

Demand Schedule

A schedule of quantities of a good or service that people are willing to buy at different prices.

Secondary Labor Market

Employment sectors characterized by lower pay, less job security, and fewer benefits, often including part-time or temporary jobs.

Primary Labor Market

Refers to high-wage sectors of the economy that offer stable employment, good benefits, and opportunities for advancement.

Non-Competing Groups

Refers to segments of the labor market where workers do not directly compete with each other due to differences in skills, qualifications, or other barriers to mobility.