Ashford MAT 232 Week 2 Discussions
MAT 232 Week 2 Discussion 1
Respond to one of the following questions in your initial post:
- What are some examples, other than temperature, where similar averages can be associated with very different distributions? A few thoughts: costs (e.g., the cost of illegally downloading a song online is the same average cost of driving above the speed limit, assuming that you are only caught speeding occasionally); ERA of pitchers (i.e., some are very consistent, others are sometimes brilliant, sometimes horrible); success rates in surgery (i.e., do we want an operation that most surgeons can do pretty well or one in which a few surgeons are nearly perfect and some have very poor results?)
- Give some practical uses of knowing variation. A few thoughts: You are traveling to a job interview; what clothes do you need to pack for a trip? Doctors need to know distributions of blood values to know whether a patient is out of range; industrial engineers need to know distributions, for example, the strength of a certain part to see if there is a problem with a manufacturing machine; clothing manufacturers need to know the distribution of sizes, for example, children’s clothes for a certain age.
- For many years, the New York subway had no air conditioning on the grounds that the average trip was only 15 minutes, and 15 minutes without air conditioning is no hardship, even in the New York summer. Critique this reasoning.
Note: This entire class includes online quizzes, discussions, assignments, course projects, and online exams.
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