A Star of Apparent Magnitude +2

question 72

Multiple Choice

A star of apparent magnitude +2.1 appears _____ than a star of apparent magnitude -1.2.

• A) farther away
• B) fainter
• C) brighter
• D) either brighter or fainter, depending on the distance to the stars,

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Definitions:

Indicator Variables

Indicator variables, also known as dummy variables, are numeric variables used in statistical models to represent categorical data, with values typically 0 or 1 indicating the absence or presence of a characteristic.

Regression Model

A regression model is a statistical approach used to describe the relationship between a dependent variable and one or more independent variables.

Multiple Regression

A statistical technique that models the relationship between a dependent variable and two or more independent variables.

Coefficient

A numerical or constant quantity placed before and multiplying the variable in an algebraic expression, often indicating the slope in linear equations or the degree of variation in correlation.