Using the central limit theorem to justify approximating the sample mean with a normal distribution yields an approximate 95% confidence interval of the form. If we wish to have a confidence interval that is W units in width, we would solve. for n, yielding the sample size n = 16 Ï2/W2.
Sponsor and sponsor-investigator are defined at 21 CFR 312.3(a): Sponsor means a person who takes responsibility for and initiates a clinical investigation. The sponsor may be an individual or pharmaceutical company, governmental agency, academic institution, private organization, or other organization.
Definition of sponsor for English Language Learners. : 1  a person or organization that pays the cost of an activity or event (such as a radio or television program, sports event, concert, etc.) in return for the right to advertise during the activity or event.