Advertising Experiments at Ohio Art Company 1. Using the data supplement provided with this case (UVA-M-0752X), evaluate if the EAS and Betty Spaghettidvertising campaigns were effective in increasing sales. 2. How does the EAs experiment compare to the Betty Spaghettixperiment? In your opinion, which experiment is more suitable for evaluating whether an advertising campaign is effective? 3. What re some concerns regarding the data available for evaluating the results of the experiment? 4. Is it a good idea for Ohio Art Company to invest in a national advertising campaign for the EAS and Betty Spaghetti