# From the excel data attached, the company has always estimated DVD revenue differently

August 30, 2017

Question
From the excel data attached, the company has always estimated DVD revenue differently, based on whether the box office revenue was in excess of \$100 million, or not. In fact the company usually estimates that DVD revenue will be higher by \$25 million when the box office revenue is in excess of \$100 million.

Fully investigate the hypothesis that DVD revenues are larger on average when the box office revenue is in excess of \$100 million. State all required assumptions, indicate your chosen level of significance (and why you chose it) and give a plain-English business context conclusion.
Test the dealershipâ€™s hypothesis that \$25 million should be added to the estimated DVD revenue, when the box office revenue is in excess of \$100 million. Does the data support that hypothesis?

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