Which of the two confidence intervals is more accurate? Briefly explain.
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You are tasked with using StatCrunch and your unique IAT sample to estimate the population mean for your IAT-Score variable.
Question 1
- Use StatCrunch and your unique IAT sample to estimate the mean IAT-Score for the population of IAT participants at the 80% confidence level (directions). Copy the contents of your StatCrunch output window and paste it into your response.
- Identify the 80% confidence interval.
- Interpret your confidence interval in context.
- Can we use the StatCrunch output to find the margin of error (MOE)? If so, what is the MOE? If not, identify the missing information.
Question 2
- Use StatCrunch and your unique IAT sample to estimate the mean IAT-Score for the population of IAT participants at the 95% confidence level (directions). Copy the contents of your StatCrunch output window and paste it into your response.
- Identify the 95% confidence interval.
- Interpret your confidence interval in context.
- Can we use the StatCrunch output to find the margin of error (MOE)? If so, what is the MOE? If not, identify the missing information.
Question 3
- Which of the two confidence intervals is more accurate? Briefly explain.
- Which of the two confidence intervals is more precise? Briefly explain.
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