| MTH 245 DATA ANALYSIS PROJECT (Body Temperature in degrees Farenheit) – 1A and 1B |
| Written Summary |
35 |
| The student demonstrates an understanding of key concepts and adequately address all aspects of this analysis assignment. The assignment report is submitted as a formal paper in paragraph form and is well written with full sentences, and is typed and well formatted with appropriate grammar, spelling, and punctuation. |
| * Brief introductory paragraph regarding the background of data. |
| * Specified the shape of the distribution of the data and referenced graph(s) used to make decision. |
| * Discussed the presence or absence of outliers. |
| * Discussed which measure of center was most appropriate (the values of mean, median, and mode) within context. |
| * Interpreted the mean and standard deviation in context of the data. |
| *commented on the assessment of normality (QQ plot) |
| *Commented on which test to use and why (z-test or t-test) |
| Interpret results of statistical analysis using context of data. – separate points below |
| Inferential Analysis – Confidence Interval and Full Hypothesis Test (Significance Test) |
20 |
| Stated the practical interpretation for the XX% confidence interval within context. |
5 |
| Correct null hypothesis |
2 |
| Correct alternative hypothesis |
2 |
| Correct p-value |
2 |
| Correct decision: {Reject H0, Do not reject H0} |
2 |
| Correct basis for decision: (comparison of p-value to α) |
2 |
| Correct conclusion in context |
3 |
| Compared the results of the CI and hypothesis test-matched or not and why? |
2 |
| Statistical Package Output |
40 |
| Stem and Leaf Diagram (with appropriate title) |
4 |
| Histogram |
2 |
| * class limits on horizontal axis |
2 |
| * appropriately titled graph and titled axes |
2 |
| Box and Whiskers Plot (with appropriate title for graph and data axis) |
4 |
| used fences to identify outliers |
1 |
| Descriptive Statistics |
10 |
| * in table form |
1 |
| * number of observations |
1 |
| * mean |
2 |
| * median |
2 |
| * mode |
2 |
| * sample standard deviation |
2 |
| Inferential Techniques |
15 |
| QQ Plot (with appropriate tile for graph and data axis) |
5 |
| Interval bounds for two-sided CI for µ |
5 |
| Results of statistical test of hypothesis |
5 |
| Format |
5 |
| * Title page with appropriate title, name, course number and section number |
| * Summary |
| * Statistical software output for graphical summaries |
| * Statistical software output for numerical summaries |
| * Statistical software output for inferential techniques |
| * Complete significance test |
| * Sources/References – if applicable |
| TOTAL POSSIBLE POINTS |
100 |
| COMMENTS: |
