Applicants for a Particular Job,which Involves Extensive Travel in Spanish-Speaking

question 12

Essay

Applicants for a particular job,which involves extensive travel in Spanish-speaking countries,must take a proficiency test in Spanish.The sample data below were obtained in a study of the relationship between the numbers of years applicants have studied Spanish and their score on the test.Using a 1% level of significance,do the data provide sufficient evidence to conclude that the slope of the regression line is not 0 and hence that number of years of study is useful as a predictor of score on the test? The regression analysis is given below.
Dependent variable is: Score
R-squared = 83.0%
s = 5.65138 with 10 - 2 = 8 degrees of freedom

---

Definitions:

Living Wage

A wage sufficient for a worker and their family to live on, covering basic needs such as housing, food, and healthcare, aimed at promoting fair labor practices.

American Standard

Often refers to a set of guidelines or specifications used in the United States for various products, practices, or measurements to ensure quality, safety, and efficiency.

New Immigrants

Wave of newcomers from southern and eastern Europe, including many Jews, who became a majority among immigrants to America after 1890.

Close-Knit Communities

Social groups characterized by strong bonds, frequent interactions, and a high degree of solidarity among members.