Now let's summarize some key ideas.

Based on what you've seen on the applet (with the level set at 95%), decide which of the following statements are true and which are false.

1. Each interval is centered at the population mean (μ).

2. Each interval is centered at the sample mean (x-bar).

3. The population mean (μ) changes when different samples are selected.

4. The sample mean (x-bar) changes when different samples are selected.

5. In the long run, only 95% of the intervals will contain (or "cover") the sample mean (x-bar).

6. In the long run, only 95% of the intervals will contain (or "cover") the population mean (μ).