Listed below are the top 10 annual salaries (in millions of dollars) of TV perso

Question

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 c top 10 salaries, do we know anything about the variation of salaries of TV personalities in general? 41 40 38 30 20 19 17 13 12.6 11.2 The range of the sample data is $ million. The variance of the sample data is The standard deviation of the sample data is $ million ls the standard deviation of the sample a good estimate of the variation of salaries of TV or personalities in general? Yes, because the standard deviation is an unbiased estimator. No, because there is an outlier in the sample data. Yes, because the sample is random. No, because the sample is not representative of the whole population

Explanation / Answer

(a) Range = Max value - Min value = 41 - 11.2 = 29.8

(b) Variance of the data = 142.39

(c) Standard deviation is 142.39 = 11.93

(d) Option (D) is the answer.

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