Instructions As you complete each task below, check it off. Answer all questions in your summary. ____Decide what data you are going to study. Here are two examples, but you may NOT use them: number of M&M's per small bag, number of pencils students have in their backpacks. ____Is your data discrete or continuous? How do you know? ____Decide how you are going to collect the data (for instance, buy 30 bags of M&M's; collect data from the World Wide Web). ____Describe your sampling technique in detail. Use cluster, stratified, systematic, or simple random (using a random number generator) sampling. Do not use convenience sampling. What method did you use? Why did you pick that method? ____Conduct your survey. Your data size must be at least 30. ____Summarize your data in a chart with columns showing data value, frequency, relative frequency and cumulative relative frequency. ____Answer the following (rounded to 2 decimal places): 1 x = 2s = 3First quartile = 4Median = 570th percentile = ____What value is 2 standard deviations above the mean? ____What value is 1.5 standard deviations below the mean? ____Construct a histogram displaying your data. ____In complete sentences, describe the shape of your graph. ____Do you notice any potential outliers? If so, what values are they? Show your work in how you used the potential outlier formula in Chapter 2 (since you have univariate data) to determine whether or not the values might be outliers. ____Construct a box plot displaying your data. ____Does the middle 50% of the data appear to be concentrated together or spread apart? Explain how you determined this. ____Looking at both the histogram and the box plot, discuss the distribution of your data.

Assignment Checklist You need to turn in the following typed and stapled packet, with pages in the following order: ____Cover sheet: name, class time, and name of your study ____Summary page: This should contain paragraphs written with complete sentences. It should include answers to all the questions above. It should also include statements describing the population under study, the sample, a parameter or parameters being studied, and the statistic or statistics produced. ____URL for data, if your data are from the World Wide Web. ____Chart of data, frequency, relative frequency and cumulative relative frequency. ____Page(s) of graphs: histogram and box plot.