Polls are used to gather opinions, attitudes, and insights from a sample of people. They serve a variety of purposes and are utilized in fields such as political science to gauge public opinion on political issues, candidates, and elections, and in market research to gather information about consumer preferences and opinions on products. Polls are also used in social sciences, journalism, and advertising, among others, to gain insights into public sentiment and make informed decisions.

An informal poll is a type of poll that is not conducted in a scientific or rigorous manner. Informal polls often lack a representative sample, a well-defined methodology, or reliable data collection techniques. They are typically conducted for entertainment or informational purposes and are not meant to be used for making critical decisions or drawing definitive conclusions. Examples of informal polls include online polls conducted on social media, unscientific surveys, and casual conversations with friends or colleagues. While informal polls can provide interesting insights and spark discussions, they should not be relied upon as a reliable source of information.

Human resources exit polls and political exit polls are both types of exit polls, but they serve different purposes and gather information in different contexts.

Human resources exit polls are conducted within an organization when an employee leaves, and are used to gather information about the employee's experience working at the company. The goal of these polls is to identify areas for improvement in terms of employee satisfaction, management, work-life balance, pay and benefits, and the reason for leaving the company. Political exit polls, on the other hand, are conducted during an election to gather information about the demographics and voting behavior of the electorate. Political exit polls are used to provide early insight into election results and to gain insight into the factors that influenced the election outcome. These polls typically ask voters about their age, gender, race, education level, and political views, as well as which candidate they voted for and why.

A customer satisfaction poll is a type of survey that is used to gauge the level of satisfaction of customers with a particular product, service, or brand. The goal of customer satisfaction polls is to collect feedback from customers about their experiences and to identify areas for improvement. Customer satisfaction polls may include questions about product quality, customer service, value for money, and overall customer experience. The results of customer satisfaction polls can be used by companies to improve their products, services, and customer relationships, as well as to inform marketing and advertising strategies. Additionally, high levels of customer satisfaction can lead to increased customer loyalty, positive word-of-mouth, and improved reputation for the company.