Tests for Statistical Significance Must Be Performed

question 3

Multiple Choice

Tests for statistical significance must be performed

• A)because the TRUE values of the intercept and slope parameters are random variables.
• B)because the ESTIMATED values of the intercept and slope parameters are not,in general,equal to the true values of the intercept and slope parameters.
• C)because the computed t-ratios are random variables and may be too large to provide evidence that b is not equal to zero.
• D)in order to determine whether or not the parameter estimates are far enough away from zero to conclude that the true parameter values are not equal to zero.
• E)both b and d

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