The evidence is collected in the form of a sample, and the statistician must then decide. There are two possible errors. The statistician could mistakenly reject a true null hypothesis (called a Type I error), or mistakenly accept a false null hypothesis (called a Type II error).The benefit of the doubt goes to the null hypothesis, which is assumed to be true until the evidence seems to indicate otherwise.he level of significance $\alpha$ is the probability of a Type I error. That is, $\alpha$ is the probability of rejecting a true null hypothesis. In our example above, that probability was 5%.
Job applicants converse outside the Staffmark temp agency in Cypress, Calif. Temporary employment agencies -- popularly known as temp agencies -- provide workers to a variety of businesses via short-term contracts or indefinite temporary positions.
How to Start a Recruiting Agency. A recruiting agency, also referred to as a staffing or temporary agency, searches for, interviews and screens applicants for job placement. The goal of a recruiting agency may be to fill temporary job openings, permanent vacancies or both. Strengthen your recruitment skills. 2  Gain recruiting experience by working for a recruitment firm before starting your own agency. 3  If your goal is to recruit for a specific industry, consider working in that industry first or working for a niche-specific recruitment agency.