A Population Mean Is to Be Estimated from the Sample

question 2

Multiple Choice

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.
-Sample size = 256, sample mean = 45, sample standard deviation = 17 What is the margin of error?

• A)1.1
• B)0.1
• C)5.6
• D)2.1

---

Definitions:

Voting Paradox

A situation in collective decision-making where individual preferences do not result in a consistent collective order of preferences, showing the complexity of social choice.

Impossibility Theorem

A theory stating that no rank-order voting system can meet certain desirable criteria, famously outlined by Kenneth Arrow.

Majority Rule Voting

A decision-making process where policies, leaders, or propositions are decided based on receiving more than half of the total votes cast.

Logrolling

A practice in politics where individuals or parties exchange support for each other's proposals or legislation.