Sampling_Distribution_(continued)

575 for 99 condence interval z 2 3 for 997 ci sampling

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Unformatted text preview: zα /2 = 1.96 for 95% confidence interval ∗ ∗ zα /2 = 2.575 for 99% confidence interval; zα /2 = 3 for 99.7% CI. Sampling Distribution of the Sample Proportion (continued Checkpoint 3 - Modeling and Inference Sampling Distribution of the Sample Proportion CI and ME Sampling Distribution of the Sample Proportion (continued Checkpoint 3 - Modeling and Inference Sampling Distribution of the Sample Proportion Confidence versus Margin of Error A. True B. False 1. Increasing the level of confidence increases the margin of error. 2. Decreasing the level of confidence decreases the margin of error. Sampling Distribution of the Sample Proportion (continued Checkpoint 3 - Modeling and Inference Sampling Distribution of the Sample Proportion Confidence versus Margin of Error A. True B. False 1. Increasing the level of confidence increases the margin of error. 2. Decreasing the level of confidence decreases the margin of error. Sampling Distribution of the Sample Proportion (continued Checkpoint 3 - Modeling and Inference Sampling Distribution of the Sample Proportion Margin of Error Confidence Interval for p : ∗ ˆ p ± zα /2 ∗ Margin of error: ˆ ˆ p (1 − p ) n ∗ ME = zα /2 ∗ ˆ ˆ p (1 − p ) n Sampling Distribution of the Sample Proportion (continued Checkpoint 3 - Modeling and Inference Sampling Distribution of the Sample Proportion Sample Size Calculation for Proportio...
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