Define margin of error. Explain the relation between the confidence interval and the error estimate. Suppose a confidence interval is . Find the sample mean and the error estimate .
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Q7: Provide an appropriate response.
-Explain how confidence intervals
Q14: Provide an appropriate response.
-What is the best
Q16: Provide an appropriate response.
-What assumption about the
Q18: When determining sample size we need
Q19: Provide an appropriate response.
-Explain the difference between
Q21: 50 people are selected randomly from a
Q22: A
Q23: Use the given degree of confidence
Q24: Use the confidence level and sample
Q55: Based on a simple random sample of
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