Sample size for population mean For a normal distributed population, specifying a 10% estimation error of the population meanμμ(i.e.,μ±0.1μμ±0.1μ) with a 95% confidence level, the sample size can be calculated as: n=(zα/2STO)2=(z0.05/2σ0.1μ)2=384CV2n=(zα/2STO)2=(...
sample sizeSummary This chapter first discusses sample size for estimating a population mean. With simple random sampling, the sample mean is an unbiased estimator of the population mean. The chapter then describes estimation of a population total using sample size. A bothersome aspect of sample ...
There are many ways to choose a number for sample size. One of these methods is "Sample size for estimating a population mean". It is a widely used...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question ...
Minimum sample size for estimating progeny mean and variance. Crop Science, Madison, v.18, p.57-62, 1978.Wu, K.K.; Heinz, D.J; Meyer, H.K.; Ladd, S.L. (1978): Minimum sample size for estimating progeny mean and variance in sugarcane progeny. Crop Sci. 18 , 57–62...
For any sample size n, the sampling distribution of \bar{X} is normal if the population X from which the sample is drawn is uniformly distributed. - True - False State true or false: The point estimate for the populations mean of an x distribution is computed from a ...
摘要: Minimum sample size is defined as the minimum number of individuals necessary to estimate with reasonable precision, mean and variance of seedlings and their clones of inter-varietal progeny population in sugarcane (sach.sp.) through simulation techniques....
= 50g The required sample size would approximately be: n = 4?2 = 4x(500)2 = 400 new born babies. ?2 (50)2 Sample size for estimating single mean * Sample size: Case-Control OR Cohort Studies Sample size (per group) n={z?/2?2p(1-p)+z??[p1(1-p1)+p2(1-p2)]}2/(p1 –...
总体方差的最大似然估计量有更低的方差（variance）和均方误差（mean square error，MSE），因而在一些...
Probability Proportional to Size (PPS) SamplingThe paper deals with a generalized estimator of population mean which includes several estimators as its particular cases. Under certain conditions, the proposeDubey, VyasUprety, MinalDubey, Ujjwal
Minimum Size Required for the Mean More about theminimum sample size required to estimate the population meanso you can better interpret the results obtained by this solver: Often times we are interested in estimating a population parameter like the population mean, \(\mu\) within a certain rang...