A Random Sample of 30 Executives from Companies with Assets

question 70

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 a High School education or less and
Undergraduate Degree, the 95% confidence interval shows an interval of 11.7 to 42.7 for the
Difference. This result indicates that:

• A) there is no significant difference between the two incomes.
• B) the interval contains a difference of zero.
• C) executives with an Undergraduate Degree earn significantly more than executives with a High School education or less.
• D) executives with an Undergraduate Degree earn significantly less than executives with a High School education or less.

---

Definitions:

Copyright

The legal right granted to the creator of original work, protecting it from unauthorized use.

Intellectual Property Rights

Legal rights that grant creators control over the use, reproduction, and distribution of their original works and inventions.

Digital Inclusion

The practice of ensuring that individuals and disadvantaged groups have access to, and the skills to use, digital technologies and the Internet.

Digital Divide

The disparity between people who can use current information and communication technology and those unable to access it.