# Deliverable 3 - Confidence Intervals

**Competency**

Given a real-life application, develop a confidence interval for a population parameter and its interpretation.

**Instructions**

**Scenario (Information repeated for deliverable 01, 03, and 04)**

A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from $30,000 to $200,000 per year. As a Business Analyst, your boss asks you to research and analyze the salary distributions. You are given a spreadsheet that contains the following information:

- A listing of the jobs by title
- The salary (in dollars) for each job

You have previously explained some of the basic statistics to your client already, and he really liked your work. Now he wants you to analyze the confidence intervals.

**Background information on the Data**

The data set in the spreadsheet consists of 364 records that you will be analyzing from the Bureau of Labor Statistics. The data set contains a listing of several jobs titles with yearly salaries ranging from approximately $30,000 to $200,000 for the state of Minnesota.

**What to Submit**

Your boss wants you to submit the spreadsheet with the completed calculations. Your research and analysis should be present within the answers provided on the worksheet.

**Answers 2**

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**STA3215CBE Section 01CBE Inferential Statistics and Analytics (12 Weeks)****Deliverable 4 - Hypothesis Tests****Competency**Given a real-life application, develop a hypothesis test for a population …

**Competency**Given a real-life application, develop a hypothesis test for a population parameter and its interpretation.

**Instructions****Scenario (Information repeated for deliverable 01, 03, and …****Instructions****Scenario (Information repeated for deliverable 01, 03, and 04)**A major client of your company is interested in the salary distributions of jobs in the state of Minnesota …

**Deliverable 1 - Descriptive Statistics****Competency**Examine basic descriptive statistics, and demonstrate results using calculated values and statistical charts.

**Instructions****Scenario …****Instructions****Scenario (Information repeated for deliverable 01, 03, and 04)**A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range …

**Competency**Examine basic descriptive statistics, and demonstrate results using calculated values and statistical charts.

**Instructions****Scenario (Information repeated for deliverable 01, 03, and …****Deliverable 4 - Hypothesis Tests****Competency**Given a real-life application, develop a hypothesis test for a population parameter and its interpretation.

**Instructions****Scenario (Information repeated for …****Deliverable 3 - Confidence Intervals****Competency**Given a real-life application, develop a confidence interval for a population parameter and its interpretation.

**Instructions****Scenario (Information …**Deliverable 4 - Hypothesis Tests

Competency

Given a real-life application, develop a hypothesis test for a population parameter and its interpretation.

Instructions …