How to investigate the null hypothesis
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Q: A researcher wants to investigate the null hypothesis:
Ho : µ1= µ2 = µ3 = µ4 using α = 0.05. Given σ²= 1 and Σ α j² = 2.76, how many subjects should be assigned to each treatment for power, π = 1 - β ~ .80.
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A researcher wants to investigate the null hypothesis:
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