Data Collection and Representation
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Q. How many ways can you choose 3 items from a set of 5?
Q. If a data set has a mean of 10 and a standard deviation of 2, what is the z-score of a value 12?
Q. If the probability of an event is 0.2, what is the probability of the event not occurring?
Q. In a data set, the mode is defined as what?
Q. What is the range of the data set: 10, 15, 20, 25, 30?
Q. Which of the following is NOT a measure of dispersion?
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