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

question 26

Short Answer

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.Use the regression analysis below to explain what the R-squared in this regression means.
Dependent variable is: Score
R-squared = 83.0%
s = 5.65138 with 10 - 2 = 8 degrees of freedom

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Definitions:

Type I Error

The incorrect rejection of a true null hypothesis, also known as a false positive.

Level Of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true, often denoted by alpha and used as a threshold for determining the statistical significance of test results.

CHISQ.TEST()

A function used in spreadsheet programs to calculate the p-value of the chi-square distribution to test the independence of two criteria.

Chi-Square Distribution

A statistical distribution used to analyze the statistical significance of the differences between categorical distributions.