Question

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).

True

False

2. Each interval is centered at the sample mean (¯xx¯).

True

False

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

True

False

4. The sample mean (¯xx¯) changes when different samples are selected.

True

False

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

True

False

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

True

False

Answer 1

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