Final answer:
A campaign would hire an independent polling company to conduct its polls for several reasons, such as ensuring unbiased and trustworthy data, access to expertise and resources, and allowing the campaign to focus on other aspects of their strategy.
Step-by-step explanation:
A campaign would hire an independent polling company to conduct its polls for several reasons. Firstly, an independent polling company is seen as unbiased and trustworthy, which helps to maintain the integrity of the campaign's polling data. Additionally, independent polling companies have the expertise and resources to design and conduct accurate and reliable polls. They have statisticians and methodologists trained in conducting polls and analyzing data, ensuring that the polls are completed scientifically. Finally, hiring an independent polling company allows the campaign to focus on other aspects of their campaign strategy, while the polling company handles the data collection and analysis.