What type of sampling scheme should be used

Reference no: EM131384485

1. Explain some specific parametric tests that require the distributional assumption of normality. What do you do if the assumption is not satisfied?

2. A county wishes to estimate the average income of people, where it is known that income levels vary quite a bit among the residents in sections of the county. What type of sampling scheme should be used?

Reference no: EM131384485

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