Aptitude Test Scores

question 125

Essay

Aptitude Test Scores
Two random samples of 40 students were drawn independently from two populations of students.Assume their aptitude tests are normally distributed (total points = 100).The following statistics regarding their scores in an aptitude test were obtained: . ​ ​
-{Aptitude Test Scores Narrative} Test at the 5% significance level to determine whether we can infer that the two population means differ.

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Definitions:

Nuclear Family

A family group consisting of parents and their children, without extended relatives.

Potlatch

A ceremonial feast among indigenous peoples of the Pacific Northwest with social, cultural, and economic functions, including the redistribution and reciprocity of wealth.

Modern-Day Equivalent

An updated or contemporary version that serves the same purpose or fulfills the same role as something from the past.

Low-Status Ethnic Group

A low-status ethnic group is regarded as having less power, privilege, and social standing compared to other ethnic groups within a society.