In Order to Determine How Many Hours Per Week Freshmen

question 66

Short Answer

In order to determine how many hours per week freshmen college students watch television, a random sample of 256 students was selected. It was determined that the students in the sample spent an average of 14 hours with a standard deviation of 3.2 hours watching TV per week.
a. Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.
Assume that a sample of 62 students was selected with the same mean and the standard
b. deviation). Provide a 95% confidence interval estimate for the average number of hours that all college freshmen spend watching TV per week.

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Definitions:

Sub-subsidiary

A company controlled by a subsidiary of another company, creating a tiered structure of corporate ownership and governance.

Subsidiary Company

A company that is controlled by another company, usually referred to as the parent company, through ownership of more than half of its voting stock.

Parent Company

A corporation that owns controlling interest in one or more other companies, referred to as subsidiaries.

Total NCI

Refers to the Total Non-Controlling Interest in a company, representing the equity in a subsidiary not attributable directly or indirectly to the parent company.