In a simple linear regression model, y = ß0 + ß1x + ε the parameter ß1 represents the _____.Group of answer choicesslope of the true regression lineerror terminterceptmean value of x

.Question 7In the simple linear regression model, what does β1 represent?Y = β0 + β1X + ε1 pointthe variation of X around the linethe intercept parameterthe predictor variablethe slope parameterthe variation of Y around the line

The least squares regression line minimizes the sum of the _____Group of answer choicessquared differences between actual and predicted y valuesabsolute deviations between actual and predicted x valuesdifferences between actual and predicted y valuesabsolute deviations between actual and predicted y values

In simple linear regression, If Slope β1 is 0, there is Group of answer choices

The confidence coefficient is denoted by:Group of answer choicesα1 - ββ1 - α

What do we assume when we fit a linear model? Select all that apply.Group of answer choicesσ2 = 0Independenceβ0 = β1 = 0Normality of errorsEquality of variance of errors