Exhibit 13-7 The Following Is Part of an ANOVA Table, Which Was

question 60

Essay

Exhibit 13-7
The following is part of an ANOVA table, which was the results of three treatments and a total of 15 observations.
-Information regarding the ACT scores of samples of students in four different majors are given below.
a.Set up the ANOVA table for this problem.
b.At a 5% level of significance, test to determine whether there is a significant difference in the means of the four populations.

---

Definitions:

Upper-Class White

A socio-demographic term referring to individuals who belong to the highest socioeconomic class within a given society and who are of Caucasian ethnicity.

Reaction Range

The concept that genetic potential limits the extent to which an environment can influence the expression of a trait, with individuals varying in their response to the same environment.

Middle-Class Minority

A demographic group within the middle class that is part of a racial, ethnic, or cultural minority.

Practical Intelligence

The ability to solve everyday problems by utilizing knowledge gained from experience, rather than through formal academic instruction.