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.
sponsor. 1  a person who vouches or is responsible for a person or thing. 2  a person, firm, organization, etc., that finances and buys the time to broadcast a radio or television program so as to advertise a product, a political party, etc. 3  a person who makes a pledge or promise on behalf of another.