Elements of Statistics

6.1 Concept Research

Instructions

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

·

· Point estimator

· Confidence interval

· t-distribution

· Confidence level

· Proportion estimation

2.    How do you determine the 95% confidence interval? 3.    Define the sample size needed to develop a 90% confidence interval for means and proportion (add the numbers required)? 4.    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? 5.    Explain the limitations of a point estimator.

Contribute a minimum of 2 pages. It should include at least 2 academic sources, formatted and cited in APA.

 

Submission Instructions:

· Submit your assignment by 11:59 PM Eastern on Sunday.

· Review the rubric to determine how your assignment will be graded.

· Your assignment will be run through TurnItIn to check for plagiarism.