Business Statistics Communicating with Numbers Study Set 1
Quiz 3: Numerical Descriptive Measures
Which of the Following Is Most Influenced by Outliers
Which of the following is most influenced by outliers? A)Mode B)Median C)75
Percentile D)Arithmetic mean
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How do we find the median if the number of observations in a data set is odd? A)By averaging the first and the third quartile B)By taking the middle value in the sorted data set C)By averaging the minimum and maximum values D)By taking the middle value in the sorted data set after eliminating outliers
Is it possible for a data set to have no mode? A)Yes,if two observations occur twice. B)No,unless there is an odd number of observations. C)No,if the data set is nonempty,there is always a mode. D)Yes,if there are no observations that occur more than once.
Is it possible for a data set to have more than one mode? A)No,there must always be a single mode,or else there is no mode. B)Yes,if two or more values in a data set occur the same number of times. C)Yes,if there are at least two different values in a data set,there is always more than one mode. D)Yes,if two or more values in a data set occur with the most frequency and the frequency is greater than one.
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