In Developing an Interval Estimate for a Population Mean,the Population

question 2

Multiple Choice

In developing an interval estimate for a population mean,the population standard deviation σ was assumed to be 10.The interval estimate was 50.92 ± 2.14.Had σ equaled 20,the interval estimate would be

• A)60.92 ± 2.14
• B)50.92 ± 12.14
• C)101.84 ± 4.28
• D)50.92 ± 4.28

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Definitions:

Intuition

The ability to understand or know something immediately based on feelings rather than facts or evidence.

Authority

The power or right to give orders, make decisions, and enforce obedience, often within a specific context or institution.

Empirical Approach

A method of inquiry based on observation or experience rather than theory or pure logic, often involving the collection and analysis of data.

Scientific Observations

Careful and systematic recording of phenomena or experimental results in the context of scientific research.