For Questions , Use the Following Narrative

question 18

Essay

For Questions , use the following narrative
Narrative: Test scores
Suppose that test scores on a particular exam have a mean of 77 and standard deviation of 5, and that they have a bell-shaped curve.
-{Test scores narrative} Find and compare the answers to the following two questions; explain why your answers are the same or different.1) One individual is selected at random from the population.What range of test scores is reasonable to expect for this person? 2) A sample of 100 individuals is selected at random from the population.What range of average test scores is reasonable to expect for this group?

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Definitions:

Visually Tracks

The ability to follow the movement of objects with one's eyes, which is an important developmental milestone in infants.

Primary Circular Reaction

A developmental phenomenon observed in infants, involving repetition of actions that serve no purpose other than the pleasure derived from the act itself.

Circular Reaction

A repetitive action that achieves a desired outcome, often observed in infants as a part of their cognitive development process.

Secondary Circular Reaction

A developmental phase in infants, part of Piaget's theory, where they repeat actions affecting their environment, leading to the discovery of new experiences.