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You will be working on the Semester Project throughout the term in parts as Project Part Assignments. Additional information can be found on the Semester Project Information page. You will get feedback from your instructor on the parts of the project in the Project Part as listed. Use that feedback to improve that portion of the project.
Project Part 3: Descriptive Statistics
1) Using the 35 values you created for Project Part 1, you will collect the following Descriptive Statistics using your TI-84 functions and explain what they tell you about your data.
If you did not collect the 35 values yet, review the Template and the Data Sets for Project Parts and the Semester Project page, and collect them now.
2) Click Stat > Line 1 Edit and enter your values into L1.
3) Stat > Calc > Line 1 1-Var Stats, into List enter L1 (use 2nd 1), and then enter to collect the following values:
Mean: use x¯¯¯
x
¯
Standard deviation: Sx (NOT σx)
5 Number Summary: (includes Min through Max at the bottom of the list)
Find the Mode(s) by clicking 2nd mode (to quit) then Stat > Line 2: SortA( enter 2nd 1 enter (for L1 if that is your list name), then 2nd 1 (to pull up L1) and click enter to view the entries in your list
Central Measures
List your Mean, Median, and Mode(s) (if more than one Mode list all)
Provide at least 2 quality sentences describing which measure is best for your data and why.
Are these values close to each other, why or why not?
5 Number Summary
List the Minimum, Q1, Median, Q3, Maximum.
Find the IQR, and the Interquartile Range, and show your work.
Using at least 2 quality sentences, describe what the 5 Number Summary and IQR tell you about your data.
Do you have any outliers, if so what are they?
Explain why you choose these as outliers. If you have no outliers explain how you know.
Standard Deviation
List your Standard Deviation
Using at least 2 quality sentences, describe what the standard deviation tells you about the spread of your data.
Is your data close together, or spread far apart? Explain in your own words.
Do you have about 68% of your data within 1 standard deviation from the mean? Explain in your own words.
When working on each part of the Semester Project the Best Practice is to type the information onto the appropriate slide of the Template, remove the directions, and then copy and paste your work and results into the text submission area of the assignment.
You may submit the project part as a text submission, Word Document, or PowerPoint Slide from the Template (only that slide!) Do not submit your work as an embedded image in one of those files. Images cannot be accepted for these assignments. (File Types allowed: .doc, .docx, ppt, .pptx)
Note: you will earn at most 10 points. If it is not submitted a 0 will be put in the grade book but it does not lower your grade.
