Use the Given Information to Find the Minimum Sample Size

question 39

Multiple Choice

Use the given information to find the minimum sample size required to estimate an unknown population mean µ.
-How many weeks of data must be randomly sampled to estimate the mean weekly sales of a new line of athletic footwear? We want 99% confidence that the sample mean is within $200 of the population mean, and the population standard deviation is known to be $1400.

• A) 325
• B) 189
• C) 133
• D) 267

---

Definitions:

Legislation

Laws and regulations enacted by governing bodies that govern how individuals and organizations operate within a society.

HR Managers

Individuals leading the human resources department, responsible for implementing HR policies, procedures, and strategies.

Canadian HR Trends

The evolving practices and norms in human resource management within Canada, reflecting changes in legislation, technology, and workforce expectations.

U.S Trends

The prevailing directions or developments in American culture, economy, or social patterns over a certain period.