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Listed below are the top 10 annual salaries​ (in millions of​ dollars) of TV personalities. Find the​ range, variance,...

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     

40     

39     

33     

24     

23     

22     

18     

17.6     

16.1

  

The range of the sample data is

​$

 


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?

A.

​Yes, because the standard deviation is an unbiased estimator.

B.

​No, because the sample is not representative of the whole population.

C.

​Yes, because the sample is random.

D.

​No, because there is an outlier in the sample data.

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