Question 1
Which of the following is best used to summarize categorical data?
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the mean and the standard deviation
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frequency and relative frequency
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the median and quartiles
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the mean and the range
Question 2
Which of the following statements is false?
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The chi-square distribution is skewed right.
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The chi-square distribution is symmetrical.
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All values of the chi-square distribution are positive.
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All of these statements are true.