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.

Question

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.

Quizplus · Accepted Answer

a conﬁdence interval shows that the mean annual incomes are signiﬁcantly different.

A Random Sample of 30 Executives from Companies with Assets