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Preview questions
1. What is the mean of the following data: 2, 4, 6, 8, 10?
5 · 6 · 7 · 8
2. Which of the following is a measure of central tendency?
Range · Mean · Variance · Standard Deviation
3. What is the median of the data set: 3, 1, 4, 2, 5?
2 · 3 · 4 · 5
4. If the mode of a data set is 7, which of the following is true?
7 appears most frequently · 7 appears least frequently · 7 is the average · 7 is the middle value
5. What is the range of the data set: 10, 15, 20, 25, 30?
15 · 20 · 25 · 30
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