A Random Sample of 30 Executives from Companies with Assets $\pm$

question 91

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: When comparing the mean annual incomes for executives with Undergraduate and Master's Degree or more,the following 95% confidence interval can be constructed:

• A)2.0 \(\pm\)2.052 * 6.51
• B)2.0 \(\pm\) 3.182 * 6.51
• C)2.0 \(\pm\) 2.052 * 42.46
• D)2.0 \(\pm\)3.182 * 42.46

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Definitions:

Causality

Causality is the relation between causes and effects, where one event (the cause) directly leads to another event (the effect).

Thrive

describes a state of flourishing or prospering, often characterized by success, development, or healthy growth in personal, professional, or biological contexts.

Profound Adversity

Severe and extreme difficulties or misfortunes, often leading to significant emotional, physical, or psychological stress.

Resilience

The capacity to recover quickly from difficulties; toughness or the ability to bounce back from life's challenges.