During the 1960’s, liquor stores were either run by the state as a monopoly, or were privately owned.   Independent samples of state-run and privately owned liquor stores yielded the following results, for price of Seagram’s 7 Crown Whiskey in dollars:                       State run Privately owned Sample Size 16 26 S.  d. 0.344 0.264            Determine an 99% confidence interval for the ratio of the population s.  d. of whiskey prices for state-run stores and privately owned stores.

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During the 1960’s, liquor stores were either run by the state as a monopoly, or were privately owned.   Independent samples of state-run and privately owned liquor stores yielded the following results, for price of Seagram’s 7 Crown Whiskey in dollars:

                   

 

State run

Privately owned

Sample Size

16

26

S.  d.

0.344

0.264

           Determine an 99% confidence interval for the ratio of the population s.  d. of whiskey prices for state-run stores and privately owned stores.

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