Researchers are conducting a study in an attempt to establish a linear relationship between the number of online music video views and the number of guitar sales. A computer output for regression is shown and is based on a sample of seven observations. Predictor Coeff St. Dev t Ratio p-Value Constant 7.85671094 1.316226455 5.969118 0.001889 Music Video Views 0.094781123 0.027926367 3.393965 0.019378 What represents the 99% confidence interval for the slope of the regression line?
a. 0.0948 ± 3.499 (1.3162)
b. 0.0948 ± 4.032 (1.3162)
c. 0.0948 ± 3.707 (0.0279)
d. 0.0948 ± 4.032 (0.0279)
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