For a Sample of Size 30 Taken from a Normally

question 119

Short Answer

For a sample of size 30 taken from a normally distributed population with standard deviation equal to 5, a 95% confidence interval for the population mean would require the use of: $\begin{array}{|l|l|}\hline\text { A. } & z=1.96 . \\\hline \text { B. } & z=1.645 . \\\hline \text { C. } & t=2.045 . \\\hline \text { D. } & t=1.699 . \\\hline\end{array}$

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Definitions:

Zone Of Proximal Development

The difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.

Erik Erikson

A developmental psychologist and psychoanalyst known for his theory on the psychological development of human beings.

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The transitional phase of growth and development between childhood and adulthood, typically involving significant physical, psychological, and social changes.

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The sense of self, including personal qualities, beliefs, values, and perceptions, which distinguishes an individual from others.