We also made a box-and-whiskers plot to get a statistical picture of the data. We looked at the lower and upper quartiles, mean, median, and mode. We then calculated the one-variable stats again. Using this new data we went through as a group with each student having their own calculator and sorted the data. We now had approximately 40 jumps entered into the lists of our calculators. At this point, I also demonstrated how to use Stat-Calc to do the one-variable stats for our class data.įor the second part of the activity, we took our class data and combined it with the sample data that came with the JUMP program. We then entered the class jumps into each of the student’s calculators, Stat-Plotted the points on a “friendly window”, and then used Stat-Calc to fit a linear regression equation to the data. We combined all the class jumps, recorded the data on one white-board and looked at finding the minimum, maximum, range, median, and mode by hand. First, each student used the JUMP program to record his/her hang time and vertical jump. My two calculus classes consist of 8 and 6 students so I did the activity in two steps. I reviewed the terms minimum, maximum, range, mean, median, and mode with them. It also came with sample data of 33 jump heights. How High Can You Jump activity, a classroom set of TI-83 Plus calculators, several CBL units with light probes, the JUMP program from Real World Mathematics Activity by Texas Instruments. I liked the way this problem allowed for a variety of methods to solve the problem and reinforced that there are infinite solutions to a given problem – even traveling to a city can have infinite possible routes – it is always better to plan ahead – especially in Nebraska in the winter time! Some students tried to come up with an equation but most students simply used guess and check. I related this to graphing linear equations – each person can pick a different three points but since there are infinite ordered pairs as solutions – the line will be graphed the same. They liked discussing the various answers that worked for the situation described. The students were very diligent in discovering the 10 weights. Wrestling with Averages since it is the end of the quarter (I always try to give the students a thinking extra credit assignment), wrestling season, and my algebra students are working on graphing linear equations I thought of this activity. Mean, median, mode, range, and whisker plot Date Mean, median, mode, range, and whisker plot
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