Suppose That the Amount of Time Teenagers Spend on the Internet

question 13

Short Answer

Suppose that the amount of time teenagers spend on the Internet is normally distributed, with a standard deviation of 1.5 hours. A sample of 100 teenagers is selected at random, and the sample mean is computed as 6.5 hours.
Determine the 95% confidence interval estimate of the population mean, changing the sample mean to 8.5 hours.

---

Definitions:

Individual Personality

The characteristic patterns of thoughts, feelings, and behaviors that make a person unique.

Erikson's Crisis

Refers to a series of eight stages through which a healthily developing human should pass from infancy to late adulthood, each characterized by a different conflict that must be solved by the individual.

Identity Versus Role Confusion

A stage in Erik Erikson's psychosocial development theory, where adolescents seek to establish a sense of self and personal identity.

Intimacy Versus Isolation

A stage in Erikson's theory of psychosocial development where young adults face the challenge of forming intimate relationships with others versus becoming isolated due to fear of rejection or commitment.