A Student Wanted to Construct a 95% Confidence Interval for the Average

question 124

Multiple Choice

A student wanted to construct a 95% confidence interval for the average age of students in her statistics class. She randomly selected 9 students. Their average age was 19.1 years with a standard deviation of 1.5 years. What is the best point estimate for the population mean?

• A) 2.1 years
• B) 1.5 years
• C) 19.1 years
• D) 9 years

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Definitions:

Social Support

The feeling and reality of being looked after, appreciated, and integrated into a community of communication and shared responsibility.

Stressful Events

Situations or occurrences that cause strain or tension, typically resulting in physical or emotional stress.

Emotion-focused Coping

Strategies aimed at managing and reducing the intensity of negative emotions associated with stress rather than trying to solve the stressor itself.

Social Support

The perception and actuality of being cared for, valued, and part of a network of communication and mutual obligation.