A Career Counselor Wants to Understand If the Average Annual

question 51

Essay

A career counselor wants to understand if the average annual earnings differ by educational attainment.The counselor uses three education levels: high school or less,undergraduate degree,and master's degree or more.After collecting data,the resulting incomplete one-way ANOVA table and Tukey's confidence intervals are shown below. a.Complete the ANOVA table.
b.Set up the competing hypothesis to test whether there are differences in mean annual salary between the different education levels.
c.At the 5% significance level,what is the conclusion to the test?
d.If significant differences exist,use Tukey's confidence intervals to determine which educational levels have different mean annual earnings.

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Definitions:

Pessimistic Attributions

The tendency to explain negative events or situations as being due to stable, global, and internal factors, often contributing to feelings of helplessness and depression.

Self-Presentation Theory

A theory suggesting that individuals adjust their behavior and appearance to create specific impressions in the minds of others.

Social Anxiety

A chronic mental health condition characterized by an intense, persistent fear of being watched and judged by others in social situations.

False Negative

A test result which incorrectly indicates that a particular condition or attribute is absent.