Project Part II
_____ Confidence Intervals (10 points)
Compute a 95% confidence interval for each of your quantitative varibles. | |
Consider each qualitative variable as a binomial variable (only two possible answers). For example, if you asked "What year are you?" then group them into underclassmen or lowerclassmen. Compute a 95% confidence interval for these binomial variables. | |
Compute at least 3 two-variable confidence intervals. For example, if you asked people their year and GPA, you might consider the difference in the average GPA of upperclassmen and lowerclassmen. | |
You do not have to type your computations. You can do them by hand and attach them as an appendix at the end of the report. |
_____ Hypothesis Tests (10 points)
Formulate at least 5 good hypotheses and test them. At least 3 should be two-variable tests. For example, you might test if the GPA of lowerclassmen is greater than the GPA of upperclassmen. | |
You do not have to type your computations. You can do them by hand and attach them as an appendix at the end of the report. |
_____ Analysis of the Results (20 points)
Discuss the sizes of your confidence intervals. Were any too large to be meaningful? If so, how many measurements (what should n be?) to find an interval small enough to be useful? | |
Discuss each of the hypothesis tests you conducted. What did you find? Was it what you expected? Why do you think that was the case? | |
What are the real-world implications of your results? Give any other particularly impressive observations. |
_____ Report Format (5 points)
Report looks professional and is well-written. Spelling and grammar are correct. It is written as a report, not a list of answers to questions. | |
The report is well-organized and readable. | |
Include any of the graphs or calculations you did for Part I that help illustrate your results. (In some ways, the goal of Part I was to get a feel for the data, while Part II tests your impressions and presents your complete results. | |
Color and graphics used well. |
_____ Baseline Total 45 points (out of 50)
Grading Adjustments
Confidence Intervals | 3 point deductions for missing confidence intervals | |
Hypothesis Testing | 3 point deductions for missing hypothesis tests | |
Analysis of Results | 5 point bonuses for detailed, illuminating data analyses; 5 point deductions for missing data analyses | |
Collection of Data | 3 point bonuses for exceptional presentation/format; 3 point deductions for non-professional presentation/format |