Chapter 1 Project: Exploring Quantitative Data Locate two sets of quantitative data suitable for comparison in a newspaper, magazine, or on the Internet. Each set of data should include at least 25 individuals. In your report, include appropriate graphs (back-to-back stemplots, parallel boxplots, dotplots, or histograms) and summary statistics (measures of center and spread) to compare the two sets of data. Then, write a narrative comparison, in context, based on your graphs and summary statistics. Use appropriate terminology, and write in complete, grammatically correct sentences. Do not discuss your analysis with any other person it is to be your own work. Aim for one page of narrative and one or two pages of gures. Be certain to include the source of the data. Scoring Rubric Your project will be evaluated based on each of the following criteria. Accuracy of Graphs and Summary Statistics 4 4 The student has used all required statistical techniques correctly and appropriately. 3 3 The student has generally used each of the required statistical techniques correctly and appropriately. There may be minor omissions or errors. 2 2 The student has used some of the required statistical techniques correctly and appropriately. There are, however, significant errors in one or more techniques or a plethora of minor mistakes. 1 1 The student has made some attempt to use required techniques correctly and appropriately, but the effort is awed in some major way. 0 0 The student did not use any appropriate techniques correctly. Quality ofStatt'stt'ca! Comparison 4 The student thoroughly and accurately compares the two sets of data based on the statistical techniques employed, in the context of the data. Correct terminology is used throughout. 3 The student accurately compares the datasets based on statistical techniques employed, in the context of the data, and generally uses correct terminology. There are minor omissionsferrors. 2 The student produces a generally accurate comparison of the datasets based on the statistical techniques employed, with some use of appropriate terminology or with inadequate connection to context. A key omission or inaccurate conclusion may also have been made. 1 The student attempted to use statistical techniques employed to compare the datasets, but missed some key ideas. Terminology and reference to context are inadequate or missing. 0 The student did not produce an appropriate comparison of the datasets. Organization, Transition, Appearance 4 The project shows evidence of careful organization, ows naturally from statistical technique to statistical analysis, and is neat in appearance. 3 There are minor aws in one of the areas: organization, transition, appearance. 2 There are major aws in one of the areas: organization, transition, appearance, OR minor aws in two areas. 1 Completely inadequate in two of the areas: organization, transition, appearance. 0 Completely inadequate in all three areas: organization, transition, appearance. English Mechanics 4 The student's writing is grarmnatically correct, is punctuated properly, and flows logically from one point to the next. No spelling mistakes! 3 The student's writing has a minor aw in one of the areas: grammatically correct, punctuated properly, logical ow, spelling. 2 The student has made significant errors in one of the areas: grammatically correct, punctuated properly, logical ow, spelling, OR minor aws in two areas. 1 The student's writing has major aws in two of the areas: grammatically correct, punctuated properly, logical ow, spelling. 0 The student's writing has major aws in three or more of the areas: grammatically correct, punctuated properly, logical ow, spelling. Source Documentation and Quantity of Data 4 The student has selected a source that is appropriate for the assignment, has correctly referenced the source, and includes at least 25 individuals in each data set. The student has selected a source that is appropriate for the assignment, but has made some error or omission in the citation OR there are not at least 25 individuals in each data set. The chosen source is appropriate for the assignment, but no source information is included. The chosen source is inappropriate for the assignment, but appropriate source information is included. The chosen source is inappropriate for the assignment and no appropriate source information is included