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What is a confidence interval

Assignment Help Advanced Statistics
Reference no: EM131537107

Discussion One -

Part One - Confidence Intervals

Read Lecture Thirteen (Links to an external site.)Links to an external site.. Lecture Thirteen introduces you to confidence intervals. What is a confidence interval, and why do some prefer them to single point estimates? Ask your manager what is preferred and why? What are the strengths and weaknesses of using confidence intervals in making decisions? (This should be started on Day 1.)

Part Two - Chi Square

Read Lecture Fourteen (Links to an external site.)Links to an external site.. As Lecture Fourteen notes, the chi-square test is-in some ways-fundamentally different than the previous tests we have looked at. In what ways and why is this approach important? Examples were shown of gender-degree distributions and employees per grade. How do these tests help with understanding our equal pay for equal work question? Do they change or reinforce our decision from last week? What situations in your personal or professional lives could use a chi-square approach? (This should be started on Day 3.)

Part Three - Overall Reactions

Has your opinion about statistics changed? How can statistical analysis help your professional career? (This should be completed by Day 5.)

Your responses should be separated in the initial post, addressing each part individually, similar to what you see here.

In your responses, include one additional strength and weakness of using confidence intervals in decision-making that your classmates did not include in their Part One responses. Then, evaluate their descriptions of using chi squares. Do you agree with their assessments as to why chi squares are important and applicable? Explain why or why not. Lastly, describe any commonalities you see between your classmates' opinion on statistics after finishing this course and your own opinion. Can you think of another example of how statistics can help your classmates in their professional careers? If so, include it in your response.

Discussion Two -

Post a question that you had related to the material this week. Conduct research to provide the answer to the question and provide the source.

Verified Expert

This task provides a clear working example of confidence intervals and its comparison with single point estimates. chi square test for independence was used to test the association between two qualitative variables. The analysis plan describes how to use sample data to accept or reject the null hypothesis.

Reference no: EM131537107

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inf1537107

8/23/2017 4:57:25 AM

My involvement with the specialists was extremely fulfilling and exceptionally proficient. The route in which my assignments and concerns were a need gave me incredible trust in the specialists offer assistance. I was extremely satisfied with the progressing correspondence and the expert help that was given in a convenient way.

inf1537107

8/23/2017 4:56:17 AM

Discussion One QuestionsPart 1 1. What is a confidence interval, and why do some prefer them to single point estimates? 2. Which would a manager prefer in an accounting firm manager and why? 3. What are the strengths and weaknesses of using confidence intervals in making decisions? Part 2 1. In what ways is the chi-test important and why is this approach important? Examples were shown of gender-degree distributions and employees per grade- you can skip the highlighted text 2. How do these tests help with understanding our equal pay for equal work question? 3. What situations in a person’s personal or professional lives could use a chi-square approach Part 3 1. How can statistical analysis help an individual’s professional career? 2. Name one additional strength and weakness of using confidence intervals in decision-making that is not commonly known? Discussion Two 1. Post a question that related to the material this week (lectures provided). 2. Conduct research to provide the answer to the question and provide the source.

inf1537107

7/17/2017 5:32:13 AM

I restructured the discussion questions. Please see attachment. 24116114_1Discussion One and Two.docx

len1537107

6/20/2017 12:31:23 AM

Subject: Advanced Statistics. No Of Pages/Words: 2 pages. I have 3 discussion questions that need to be answered from three lectures for this week. I have included the lectures and the questions are included in the pdf. The answers should include one or 2 references, done at the writers best judgement. I've included the criteria for writing the answer. Discussion one has 2-3 parts so one page should be sufficient to answer those questions. Discussion 2 is one simple answer- probably about half a page.

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