In: Statistics and Probability
Annual sales, in millions of dollars, for 21 pharmaceutical companies follow.
| 
 8408  | 
 1374  | 
 1872  | 
 8879  | 
 2459  | 
| 
 11413  | 
 608  | 
 14138  | 
 6452  | 
 1850  | 
| 
 2818  | 
 1356  | 
 10498  | 
 7478  | 
 4019  | 
| 
 4341  | 
 739  | 
 2127  | 
 3653  | 
 5794  | 
| 
 8305  | 
A) Compute the mean of the annual sales.
B) Compute the standard deviation of the annual sales.
C) Compute the corresponding z-score of annual sales of $14138 million dollars. According to z-score method is it considered an outlier?
D) Provide a five-number summary.
E) What is the location of the 80th percentile, denoted by L80? What is the 80th percentile?
~Please show work~



-------------------------------------------------------------------------------------------------------------------------------


