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Pharmaceutical Company Sales. Annual sales, in millions of dollars, for 21 pharmaceutical companies...

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Question

Finance

Pharmaceutical Company Sales. Annual sales, in millions of dollars, for 21
pharmaceutical companies follow, LO 6,7,8
DATA file
phamagsoles
Annual Sales ( $ million)
a. Provide a five-number summary:
b. Compute the lower and upper limits.
c. Do the data contain any outliers?
d. Johnson & Johnson's sales are the largest on the list at $14.138 million.
Suppose a data entry error (a transposition) had been made and the sales had
been entered as $41,138 million. Would the method of detecting outliers in
part (c) identify this problem and allow for correction of the data entry
error?
e. Show a boxplot.
image

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