Which of the following percentiles represents the median of a data set? Select one: O a. 100th O b. 25th 0 C. 50th O d.
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Which of the following percentiles represents the median of a data set? Select one: O a. 100th O b. 25th 0 C. 50th O d.
When income increases, expenditure on imports tend to increase. Which of the following best describes this relationship? Select one: O a. A positive relationship. O b. A negative relationship. OC. An inverse relationship.
According to Chebyshev's theorem, which of the following is the percentage of measurements in a data set that fall within three standard deviations of their mean? Select one: O a 75% O b. At least 75%. O c. 89% O d. At least 89%.
What proportion of the total observations lie to the left of the median? Select one: O a. at most 0.50. O b. Less than 0.50 if the distribution is skewed to the left. Oc. More than 0.50 if the distribution is skewed to the right. Od Between 0.25 and 0.60 if the distribution is symmetric and unimodal.