Sample Size Estimator

Related BrainMass Solutions

• Effect of finite population correction factor

  When populations are infinite, the standard error of an estimator depends only on the sample size.

• Variance, estimator for mean, millionaire net worth

  The variance of the new estimator will be significantly smaller than the sample mean for large sample size. The comparison of variance is given in the graph below assumpting the population variance is 10.

• Proof of an unbiased estimator

  35655 Proof of an unbiased estimator 7.1.1 Show that the mean of a random sample of size n from a distribution having pdf f( x; θ) = (1/θ) e^-(x/θ), 0 estimator of θ

• Rao-Blackwell Unbiased Theorem

  Thus the Rao- Blackwell theorem enables us to obtain MVU estimator through sufficient statistic. Solution Let be a random sample of size n from Binomial .

• T/F, Multiple choice-Estimation, Hypothesis

  An estimator is consistent if, as the sample size decreases, the value of the estimator approaches the value of the parameter estimated. ____ T/F 3.

• Rao- Blackwell Theorem

  Thus the Rao- Blackwell theorem enables us to obtain MVU estimator through sufficient statistic. Solution Let be a random sample of size m from .

• This posting addresses estimators and the rule of addition

  An estimator is called consistent if its variance and standard deviations consistently remain the same regardless of changes in the sample size. True or false? 2.)

• Max Likelihood Methods (Estimators)

  sample of size n from the uniform distribution of the continuous type over the closed interval [theta- rho, theta+ rho]. Find the maximum likelihood estimators for theta and rho.

• Statistic Terms & Central Limit Theorem

  deviation of the population divided by the square root of n (the sample size).