Conceptual Map for Chapter 9 (Created By: Jeffrey May) σ not known 2. Determine Test Type 2-tail Lower tail Upper tail 1. Determine Ho Ho: μ = x; π = x Ho: μ >= x; π >= x Ho: μ <= x; π <= x μ π 3. Check Assumptions CLT Population Normal OR n >30 3. Check Assumptions nπ >= 5 AND n(1-π) >= 5 STOP Not Cover NO NO 4. Find Critical Value(s) =normsinv(1-α/tails)
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