In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 17.25 
2.42. If the sample size had been 160 instead of 40, what would the interval estimate have been?
Definitions:
Autonomous Child
A child who is encouraged to make their own decisions and develop their independence and self-reliance.
Power
The capacity or ability to direct or influence the behavior of others or the course of events.
Control
Control refers to the power to influence or direct people's behavior or the course of events, or in scientific experiments, the standard conditions under which tests are made.
Exploration
The act of investigating, examining, or trying out new areas, ideas, or activities to gain knowledge or experience.
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