A Random Sample of 30 Executives from Companies with Assets

question 58

Multiple Choice

A random sample of 30 executives from companies with assets over $1 million was selected and asked for their annual income and level of education. The ANOVA comparing the average income among three levels of education rejected the null hypothesis. The Mean Square Error (MSE) was 243.7. The following table summarized the results: Based on the comparison between the mean annual incomes for executives with Undergraduate and Master's Degree or more,

• A) A confidence interval shows that the mean annual incomes are not significantly different.
• B) The ANOVA results show that the mean annual incomes are significantly different.
• C) A confidence interval shows that the mean annual incomes are significantly different.
• D) The ANOVA results show that the mean annual incomes are not significantly different.

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Definitions:

Antecedent Event

An event or occurrence that precedes and potentially leads to or influences another event.

Stressors

Events or conditions that cause stress, challenging an individual's ability to cope, and potentially affecting mental and physical health.

Developmental Phenomena

Events or occurrences that are part of the growth or progress in human development, often studied in psychology and related fields.

Traumatic

Relating to or resulting from a distressing or disturbing experience that can have a lasting impact on an individual's mental and emotional well-being.