Please circle T or F based on whether the following statements arc True or False

Question

Please circle T or F based on whether the following statements arc True or False respectively. A 95% confidence interval will be wider than a 99% confidence interval. Standard error Is the same as standard deviation. We use ;3 to estimate p, because p = p. When the confidence level Increases, the sample size decreases. The sample mean follows a t distribution when the sample size is small. t distribution has the same mean and variance as the Normal distribution. The center of a confidence interval for p is X. Suppose the sample size is fixed. When the width of a confidence interval decreases, so does the confidence level.

Explanation / Answer

1. (T)

2. (F)

3. (T)

4 (T)

5. (T)

6. (F)

7. (T)

8. (T)

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