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Chapter 4 Questions
Complete the following questions. The questions may include pictures or graphics to illustrate or aid in solving the problem. You can check your answer by clicking View Answer. If the question is unclear, confusing, or if you need further clarification, send me an email.
1. Central Tendency Activity (Enter in data that you make up)
Answer
2. Given the following data, calculate the mean, median, and mode. Which would be the best measure of central tendency for this data? Why?
Answer
3. Given the data in question 2, show that 
(the sum of the deviations about the mean is zero.)
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4. Show that the sum of the squared deviations about the mean is less than the sum of the squared deviations around the median. Why do we care that the mean is a least square?
Answer
The sum of the squared deviations about the mean is less than the sum of the squared deviations about the median. 13900 < 14170
