[ad_1] Instructions Ruby Red Movie Theater has experimented with using different numbers of workers in the concession area of the theater as well as at the ticket counter. In these experiments, Tracy, the manager of the theater, collected data on
[ad_1] Instructions Ruby Red Movie Theater has experimented with using different numbers of workers in the concession area of the theater as well as at the ticket counter. In these experiments, Tracy, the manager of the theater, collected data on