To what confidence levels do they relate to each other

Reference no: EM133533157

Problem: Elements of Statistics- Concept Research

Question A. Using a search engine or in the virtual library database, conduct research taking into consideration the following concepts:

a. Point estimator
b. Confidence interval
c. t-distribution
d. Confidence level
e. Proportion estimation

Question B. How do you determine the 95% confidence interval?

Question C. Define the sample size needed to develop a 90% confidence interval for means and proportion (add the numbers required)?

Question D. How are the values of 1.96 and 2.58 obtained in the interval estimation formula, and to what confidence levels do they relate to each other?

Question E. Explain the limitations of a point estimator.

Reference no: EM133533157

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