Inferential Statistics and Analytics – Hypothesis Tests for Two Samples

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Competency

Formulate and evaluate hypothesis tests for population parameters based on sample statistics using both Critical Regions and P-Values, and be able to state results in a non-technical way that can be understood by consumers of the data instead of statisticians.

Student Profile

You are a statistician working for a drug company. A few new scientists have been hired by your company. They are experts in pharmacology, but are not experts in doing statistical studies, so you will explain to them how statistical studies are done when testing two samples for the effectiveness of a new drug. The two samples can be dependent or independent, and you will explain the difference.

Concept being Studied

Your focus is on hypothesis tests and confidence intervals for two populations using two samples, some of which are independent and some of which are dependent. These concepts are an extension of hypothesis testing and confidence intervals which use statistics from one sample to make conclusions about population parameters.

What to Submit

Your research and analysis should be presented on the Word document provided. All calculations should be provided on a separate Excel workbook that should be submitted to your boss as well.

***NOTE*** You will be submitting the Word document with answers (AND EXPLANATIONS OF HOW YOU REACHED THE ANSWER, INCLUDING THE CALCULATIONS AND WHY YOU USED THE CALCULATION) along with a separate Excel spreadsheet showing the calculations and formulas.

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