Final answer:
A campaign might hire an independent polling company to conduct its polls for several reasons. First, polling companies employ statisticians and methodologists who are trained in conducting polls and analyzing data, ensuring scientific accuracy. Additionally, using an independent polling company adds credibility to the campaign's polls.
Step-by-step explanation:
A campaign might hire an independent polling company to conduct its polls for several reasons. First, polling companies employ statisticians and methodologists who are trained in conducting polls and analyzing data, ensuring the polls are completed scientifically. Additionally, these companies aim to create random and representative samples, which are essential for obtaining accurate and reliable results. Finally, using an independent polling company adds credibility to the campaign's polls, as they are conducted by a neutral third party.