Preparation
- Open the data set for the course: MATH221 Course Project Data Set.xlsxDownload MATH221 Course Project Data Set.xlsxOpen this document with ReadSpeaker docReader
- Randomly select a representative sample of 30 values from the Number of Visitors to a Website column of the data set: Video - How to Select a Random Sample. (7:49)
- Find the mean, median, mode, range, standard deviation, and variance for your sample of 30.
- Construct a graphical representation for the data set.
Report Requirements
- Include a screenshot of your work in the Week 1 Descriptive Statistics Excel Calculator Download Week 1 Descriptive Statistics Excel CalculatorOpen this document with ReadSpeaker docReaderwith your name and date showing.
- Explain how the mean, median, and mode describe the data set.
- Explain which of the mean, median, or mode best represents the typical number of visitors to the website.
- Explain what the standard deviation reveals about the variability in the data.
- Include a screenshot or picture of the graph you construct.
- Explain what your graph reveals about the data.
- Prepare your report using the Course Project Part A Deliverable.pptx template Download Course Project Part A Deliverable.pptx templateOpen this document with ReadSpeaker docReader.
- All University policies are in effect, including the Plagiarism Policy.
- The Course Project Part A report is due by the end of Week 3.
- The Course Project Part A is worth 126 total points. Review the following grading rubric.
Grading Rubric
| Category | Description | Points | % |
|---|---|---|---|
| Mean, Median, and Mode | The student provides a screenshot from the Week 1 Excel Calculator showing how the mean, median, and mode were correctly arrived at. The student effectively uses the mean, median, and mode to describe the data set. The student provides a convincing explanation as to which of mean, median, or mode best describes the typical behavior of the data set. | 32 | 25.4% |
| Range, Standard Deviation, and Variance | The student provides a screenshot from the Week 1 Excel Calculator showing how the correct values for range, standard deviation, and variance were arrived at. The student provides a convincing explanation as to what the standard deviation reveals about the variability of the data. | 32 | 25.4% |
| Graph | The student constructs an appropriate graph for the data set with all necessary titles, labels, legends, and or keys. The student provides a convincing explanation for what the graph reveals about the data set. | 32 | 25.4% |
| Communication Skills | Writing, grammar, clarity, logic, cohesiveness, and adherence to the format previously described | 30 | 23.8% |
| Total | A quality presentation will meet or exceed all of the previous requirements. | 126 | 100% |