Want a sample size of about 60 30 controls and 30 cases at
Want a sample size of about 60 (30 controls and 30 cases). At 5% significance and 80% power.How do i determine the standard deviation and mean difference.And how do i arrive at the 60? my study design is case-control.
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A husband and wife make their decisions independently of each other, and then they compare their decisions. If they agree, the decision is made; if they do not agree, then further consideration is necessary before a decision is reached.
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If you buy a new car the entire purchase is counted as consumption in the year in which you make the transaction. Explain briefly why this is in some sense an 'error' in national income accounting.
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