# Option 1: manufacturing database ; write a 1,600-word detailed,

**Provide**
a 1,600-word detailed, statistical report including the
following:

· Explain the context of the case

· Provide a research foundation for the topic

· Present graphs

· Explain outliers

· Prepare calculations

· Conduct hypotheses tests

· Discuss inferences you have made from the results

This assignment is broken down into four parts:

· Part 1 – Preliminary Analysis

· Part 2 – Examination of Descriptive Statistics

· Part 3 – Examination of Inferential Statistics

· Part 4 – Conclusion/Recommendations

Part 1 – Preliminary Analysis (3 – 4 paragraphs)

Generally, as a statistics consultant, you will be given a problem and data. At times, you may have to gather additional data. For this assignment, assume all the data is already gathered for you.

· State the objective.

· What are the questions you are trying to address?

· Clearly and in sufficient detail, describe the population in the study.

· What is the sample?

· Discuss the types of data and variables. Are the data quantitative or qualitative?

· What are levels of measurement for the data?

Part 2 – Descriptive Statistics (3 – 4 paragraphs)

· Examine the given data.

· Present the descriptive statistics (mean, median, mode, range, standard deviation, variance, CV, and five-number summary).

· Identify any outliers in the data.

· Present any graphs or charts you think are appropriate for the data.

*Note:*Ideally, we want to assess the conditions of
normality too. However, for
the purpose of this exercise, assume data is drawn from
normal populations.

Part 3 – Inferential Statistics (2 – 3 paragraphs)

Use thePart 3: Inferential Statistics document.

· Create (formulate) hypotheses

· Run formal hypothesis tests

· Make decisions. Your decisions should be stated in non-technical terms.

*Hint*: A final conclusion saying “reject the null
hypothesis” by itself without explanation is basically worthless to
those who hired you. Similarly, stating the conclusion is false or
rejected is not sufficient.

Part 4 – Conclusion and Recommendations (1 – 2 paragraphs)

**
**

· What are your conclusions?

· What do you infer from the statistical analysis?

· State the interpretations in non-technical terms. What information might lead to a different conclusion?

· Are there any variables missing?

· What additional information would be valuable to help draw a more certain conclusion?

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