What do the magnitudes of the non-intercept coefficients in a general regression

Question

What do the magnitudes of the non-intercept coefficients in a general regression equation mean? Such as the one in problem 8. Before running a regression, how should the explanatory variables be chosen? How do you interpret the p-values in a regression output? What does a p-value of 0495 mean? What significance level does this achieve (.01, 05, or 10)? Assume normally distributed data. Some survey data suggests that people are using their tablets of 2.0 years on average before upgrading to a new one.

Explanation / Answer

10. The magnitude of non - intercept coefficients in a general regression equation is the slope and it represents the amount of change in y for a unit change in x.

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