The group of people sworn to make a decision or deliver a verdict in court is called a jury. They are typically selected from the community and are tasked with weighing the evidence presented in court and determining whether the defendant is guilty or not guilty. In some cases, the jury may also be responsible for setting the sentence for the defendant if they are found guilty. Juries are essential to the American legal system and play a crucial role in ensuring that justice is served fairly and impartially.