13 May Statistical Sleuth: Investigating Population Claims with Hypothesis Testing
Project Deliverable tie to Competency
In the fourth assignment, you will need to make data-driven decisions by evaluating claims
about a single population. You will be tasked with completing several hypothesis tests, which
follow a structured process: stating hypotheses, selecting the appropriate test, calculating
test statistics, and making conclusions based on evidence. These tasks directly align with the
competency for evaluating hypothesis tests for population parameters from one population.
You will also be demonstrating your knowledge of identifying potential errors, such as Type I
and Type II Errors.
Student Success Criteria
View the grading rubric for this deliverable by selecting the “This item is graded with a rubric”
link, which is located in the Details & Information pane.
Scenario
After analyzing the data, you have determined a few hypotheses that you would like to test.
In the Excel Workbook provided below, use the data to run two hypothesis tests and
determine a conclusion based on the evidence provided. Proceed to explain your process to
your boss.
Instructions
The Excel Workbook contains five tabs. The first tab contains the instructions. The second
tab, labeled “data”, contains the raw data that will be used for your calculations. The next
three tabs contain questions for you to answer. Ensure that you are completely answering all
questions with explanations, and your work is shown in Excel when needed.
Submission Requirements
You must submit the Workbook with the completed calculations, answers, and
analysis.
Submit your completed assignment by following the directions linked below. Please
check the Course Calendar for specific due dates.
Save your assignment as a Microsoft Excel workbook. (Mac users, please remember
to append the “.xlsx” extension to the filename.) The name of the file should be your
first initial and last name, followed by an underscore and the name of the
assignment, and an underscore and the date. An example is shown below:
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