共 43 条
- [1] SAMPLE-SIZE REQUIRED FOR ESTIMATING VARIANCE WITHIN D UNITS OF TRUE VALUE ANNALS OF MATHEMATICAL STATISTICS, 1964, 35 (01): : 438 - &
- [4] Estimating the sample mean and standard deviation from the sample size, median, range and/or interquartile range BMC Medical Research Methodology, 14
- [8] Sample size and confidence interval for the standard deviation of a normal distribution JOURNAL OF STATISTICS & MANAGEMENT SYSTEMS, 2011, 14 (02): : 249 - 256
- [9] THE REQUIRED SAMPLE-SIZE WHEN ESTIMATING VARIANCES AMERICAN STATISTICIAN, 1961, 15 (03): : 22 - 23