ON THE DETERMINATION OF SAMPLE SIZE
Technical Report
·
OSTI ID:4037101
BS>The problem of obtaining a sample size necessary to obtain an estimate of a parameter with a guaranteed precision was solved. A two-step technique allows for finding a sample size such that the probability is 1- alpha (the confidence coefficient) that the confidence interval contains the parameter, and the probability that the width is less than or equal to d specified units is greater than or equaI to beta /sup 2/ (the width coefficient0. The method is applied in finding necessary sample sizes for precise interval estimates of the ratio of variances from two normal populations and the parameter of the rectangulsr density. Expected sample sizes for the mean and variance of a normal distribution are computed. (auth)
- Research Organization:
- Los Alamos Scientific Lab., N. Mex.
- DOE Contract Number:
- W-7405-ENG-36
- NSA Number:
- NSA-15-017230
- OSTI ID:
- 4037101
- Report Number(s):
- LA-2520
- Country of Publication:
- United States
- Language:
- English
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