Preliminary Data Analyses Indicate That It Is Reasonable to Use

question 44

Essay

Preliminary data analyses indicate that it is reasonable to use a t-test to carry out the specified hypothesis test. Performthe t-test using the P-value approach.
-A large software company gives job applicants a test of programming ability and the mean for that test has been 160 in the past. Twenty-five job applicants are randomly selected from a large university and they produce a mean score of 183 with a standard deviation of 12. Use a 0.05 level of significance to test whether the mean score for students from this university is greater than 160.

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Definitions:

For-profit Corporations

Businesses that operate with the primary goal of earning profit for their owners or shareholders.

Communism

An economic system where the state is the sole owner of the systems of production.

Production Systems

The methods, technologies, and processes used to produce goods and services.

Traditional Authority

A form of leadership in which the authority of an organization or a ruling regime is largely tied to tradition or custom.