advertising age annually compiles a list of the 100 companies that spend the most onadvertising. Consumer-goods company Procter & gamble has often topped the list, spending billions of dollars annually (advertising age website, March 12, 2013). Consider thedata found in the file Advertising. it contains annual advertising expenditures for a sample of20 companies in the automotive sector and 20 companies in the department store sector.a. What is the mean advertising spent for each sector?b. What is the standard deviation for each sector?c. What is the range of advertising spent for each sector?d. What is the interquartile range for each sector?e. Based on this sample and your answers to parts (a) to (d), comment on any differences in theadvertising spending in the automotive companies versus the department store companies
advertising age annually compiles a list of the 100 companies that spend the most on
advertising. Consumer-goods company Procter & gamble has often topped the list, spending billions of dollars annually (advertising age website, March 12, 2013). Consider the
data found in the file Advertising. it contains annual advertising expenditures for a sample of
20 companies in the automotive sector and 20 companies in the department store sector.
a. What is the
b. What is the standard deviation for each sector?
c. What is the
d. What is the
e. Based on this sample and your answers to parts (a) to (d), comment on any differences in the
advertising spending in the automotive companies versus the department store companies
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