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Preview questions
1. What is the mean of the following data: 4, 8, 6, 5, 3?
5 · 6 · 4 · 7
2. Which measure of central tendency is affected by extreme values?
Mean · Median · Mode · Range
3. What is the median of the data set: 12, 15, 11, 10, 13?
12 · 11 · 13 · 15
4. If the mode of a data set is 7, which of the following is true?
7 occurs most frequently · 7 is the average · 7 is the middle value · 7 is the highest value
5. What is the range of the data set: 2, 5, 1, 9, 4?
8 · 7 · 6 · 5
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