Activities


 * G (Goal)** - Use available data to decide how many shirts to order for the class fundraiser. Students will work with data, determining what information is helpful and how best to analyze it to decide how many shirts to order. They will work with data
 * R (Role)** - The students will work in separate groups to determine how many shirts should be ordered. They will operate as the "fundraising committee" for the upcoming dance.
 * A (Audience)** - The audience will be other members of the class leadership team, the company from whom they will order the shirts and eventually other teachers and students to whom they will sell the shirts.
 * S (Situation)** - The class dance is coming up in a few months and you need to raise funds so that everyone can have a great time! You've decided to sell shirts as a fundraiser and have already decided on a design, but now you need to determine how many shirts should be ordered. You have to be careful not to order to many, or you may lose money, but on the other hand you need to order enough or people may be upset they don't get to buy one.
 * P (Product)** - The committee needs to determine how many shirts to purchase and then needs to get approval from the class leadership. They need to make an informed decision and then present it along with any supporting evidence.
 * S (Standards and Criteria)** - Students will demonstrate success by working cooperatively to make the decision, by answering each of the questions presented and being able to explain their reasoning. They will need to include graphical supports along with their explanation.

Task 1: List information you need in order to be able to answer this question. Remember not everyone will buy one and not everyone wears the same size t-shirt. Students should consider who will buy the t-shirts - students? teachers? parents? How many from each group? What size(s) will those people buy? What happened last year? How much will the t-shirts cost them and how much will they charge for them? Perhaps do a survey, if so, how many people should they survey, and how will they decide who to survey?

Task 2: There are 300 students in the school and 40 faculty and staff. The table below shows historical information about how many teachers and students purchased t-shirts each year for the past 10 years. How many people do you think will buy t-shirts? To help you decide, answer the questions below the table.

Historical Data a. What is the mean number of teachers who bought in past years? _ b. What is the median number of teachers who bought in past years? _ c. What is the mode of the teachers who bought in past years? _ d. What is the range for the number of teachers who bought in the past? _
 * = Year ||= Teachers who Bought ||= Students who Bought ||= Total Sold ||
 * = 2009 ||= 2 ||= 140 ||= 142 ||
 * = 2008 ||= 2 ||= 125 ||= 127 ||
 * = 2007 ||= 1 ||= 110 ||= 111 ||
 * = 2006 ||= 3 ||= 130 ||= 133 ||
 * = 2005 ||= 35 ||= 100 ||= 135 ||
 * = 2004 ||= 37 ||= 160 ||= 197 ||
 * = 2003 ||= 34 ||= 110 ||= 144 ||
 * = 2002 ||= 37 ||= 80 ||= 117 ||
 * = 2001 ||= 39 ||= 75 ||= 114 ||
 * = 2000 ||= 40 ||= 100 ||= 140 ||

e. What is the mean number of students who bought in past years? _ f. What is the median number of students who bought in past years? _ g. What is the mode of the students who bought in past years? _ h. What is the range for the number of students who bought in the past? _

So, how many teachers do you think will buy shirts? How many students, do you think will buy shirts? _

Before you answer, make a bar graph of the number of teachers who bought each year and take a close look at it. Is your answer different now? Do the same for the number of students.

Finally, how many teachers can you expect to buy shirts and how many students? Explain your answers. Can you think of a way to be more sure? (ie. students could ask teachers whether or not they'll buy. Afterall, there are only 40 teachers. However, it is not realistic to do that for the 300 students, so they will need to find ways to estimate that).

Task 3: Now that you know how many people you think will buy shirts, you need to decide how many of each size you'll need? They come in Adult sizes 4, 5, 6 and Youth Sizes 1, 2, 3 (with the lower numbers being smaller). The pie charts below has been provided by the company showing the percent of adults and youth that wear each size. Is it reasonable to apply this to your order? Why or why not? - If so, use the information to determine how many of each size to order. - If not, explain how many of each size you'll order and how you made that decision. Provide any graphs or data that supports your decision.



Task 4: Prepare a presentation to convince the explain your decision to the class leadership and get their approval. Remember to anticipate what questions they may ask and be prepared to answer them.

Task 5: Complete the performance evaluation for your team.

Good luck with the fundraiser!!