Video 2: Confidence Intervals

We learn the implications of sampling on our coefficient's uncertainty, and understand why it is convenient to talk in terms of confidence intervals rather than point estimates. Of course, we learn how to construct these intervals.

TABLE OF CONTENTS:
00:00 Confidence Intervals
00:14 Regression’s Objectives
00:40 Previous Regression Result
01:06 Pending Questions
01:36 Interpreting the Coefficients
02:09 Example of the Effect of Sampling using Excel
07:16 Confidence Intervals
08:11 Leveraging the Normal Distribution
09:49 Building the Confidence Interval
11:07 If there were no relationship…
12:21 Statistically Significant Relationship
13:35 Coming back to our example…
14:06 p-values Rule
14:59 p-values in GRETL
15:55 Those stars….
16:58 Summary