Range and Variance

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Mathematics

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Listed below are the top 10 annual salaries in millions of dollars) of TV personalities. Find the range, variance, and standard deviation for the sample data. Given that these are the top 10 salaries, do we know anything about the variation of salaries of TV personalities in general? 41 3937 31 20 18 15 14 13.8 12.7 The range of the sample data is 5 million. (Type an integer or a decimal.) The variance of the sample data is (Round to two decimal places as needed.) The standard deviation of the sample data is million (Round to two decimal places as needed.) Is the standard deviation of the sample a good estimate of the variation of salaries of TV personalities in general? O A. No, because there is an outlier in the sample data. O B. Yes, because the standard deviation is an unbiased estimator. OC. Yes, because the sample is random. OD. No, because the sample is not representative of the whole population.
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Range and Variance
Given that these are the top 10 salaries, do we know anything about the variation of the salaries
of TV personalities in general?
Yes: the salary in general varies from the Personalities at the top ranking to those at
bottom ranks.
Range = largest salary –...


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