In a Regression Problem, If the Coefficient of Determination Is

question 110

Multiple Choice

In a regression problem, if the coefficient of determination is 0.95, this means that:

• A)95% of the y values are positive.
• B)95% of the variation in y can be explained by the variation in x.
• C)95% of the x values are equal.
• D)95% of the variation in x can be explained by the variation in y.

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Definitions:

Kolmogorov-Smirnov Test

A nonparametric test used to determine the goodness of fit between a set of observed values and a continuous distribution.

Parametric Statistics

Statistical methods that assume the data follows a particular distribution, often used for hypothesis testing.

Categorical Variables

Categorical variables are types of variables in statistics that represent categories, possessing qualitative properties that differentiate one group from another.

One-sample Chi-square

A statistical test used to determine whether there is a significant difference between the observed frequencies and the expected frequencies in one categorical dataset.