Evaluating Measure of Central Tendency

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For each of the following data sets, select the best measure of central tendency. In a few sentences, explain why your selection is the best measure of central tendency. Then compute that measure of central tendency for the data.
Clearly show all the mathematical steps taken to compute the measure of central tendency.
Be sure to include an introduction and a conclusion in your assignment. A good introduction will give background on measures of central tendency, provide motivation for learning these ideas, and relate any personal experiences you have with the topic. A good conclusion will summarize your answers and provide insights learned from this assignment.

Weight of the students in Joe’s math class, in lbs. (pounds): 217, 150, 338, 130, 165, 155, 175, 157, 159, 178, 220, 123, 450, 132, 140, 145, 381, 158, 133, 145, 173, 140
Diameters (in cm) of tubes made in a factory: 1.19, 1.26, 1.26, 1.24, 1.19, 1.22, 1.25, 1.19, 1.23, 1.22, 1.24, 1.29, 1.3, 1.32, 1.22, 1.27, 1.23, 1.24, 1.27, 1.28
Grade level of students in a classroom: freshman, freshman, senior, junior, sophomore, junior, junior, senior, junior, freshman, junior, freshman, sophomore, sophomore, freshman, junior, senior, freshman, sophomore, junior