In the straight-line equation Y = mx + ε, what does 'm' represent? Option: "Constant", "Intercept", "Dependent variable", "Slope"

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In the straight-line equation Y = mx + ε, what does 'm' represent?

"Constant"

"Intercept"

"Dependent variable"

"Slope"

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If the slope in a straight-line equation is zero, what does Y equal?

"0"

"1"

"x"

"ε"

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In the context of linear regression, what does the term 'residual' represent?

"The difference between the actual y value and the predicted y value"

"The intercept of the regression line"

"The correlation coefficient between two variables"

"The slope of the regression line"

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What is the primary function of linear regression in the context of data analysis?

"To construct a straight-line equation representing the relationship between variables"

"To calculate the average value of a dataset"

"To establish a visual representation of data trends"

"To identify outliers within a dataset"

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What statistical technique can be used to establish the relationship between two variables when the relationship is not obvious?

"Linear regression"

"Standard deviation"

"Correlation analysis"

"Mean reversion"

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Which software program is commonly used to perform linear regression analysis, as discussed in the text?

"R"

"SPSS"

"Python"

"Excel"