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Preview questions
1. What is the primary purpose of statistics?
To collect data · To analyze data · To interpret data · To summarize data
2. Which of the following is a measure of central tendency?
Range · Variance · Mean · Standard Deviation
3. What is the median of the data set: 3, 1, 4, 2, 5?
2 · 3 · 4 · 5
4. In a frequency distribution, the sum of all frequencies is equal to:
The mean · The median · The total number of observations · The mode
5. Which of the following is not a measure of dispersion?
Range · Mean · Variance · Standard Deviation
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