Tuesday, April 14, 2009

April 18, 2009 - CONFIDENCE INTERVALS (Chapter 6)

KEY CONCEPTS TO REMEMBER:

A. Confidence Intervals for the Mean (Large Samples)

• Point and interval estimate
• Level of confidence
• Sampling error
• Margin of error
• Confidence interval

B. Confidence Intervals for the Mean (Small Samples)
• t-Distribution
• Properties of t-distribution

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