Introduction and review of sampling

Introduction and review of sampling

Sampling.

According to Kish, a population has to be defined in conjunction with the purpose of the st...}

Akshamala

Introduction and review of sampling

Important formula for numerical problems

$$n_0=\frac{t^2_a/_2σ^2}{d^2}$$
$$n=\frac{n_0}{1+\frac{n_0}{N}}$$
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Akshamala

Introduction and review of sampling

Numerical related to estimation of true score

$$T=r×O+(1-r)\overline{X}$$
$$C.I=\overline{X}±t_a/_2S.E$$
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Akshamala