formulas1_2010 - Formulas y= yi n s2 = y se = s/ n y = n z=...

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Formulas y = Σ y i n s 2 = Σ( y - y ) 2 n - 1 σ y = σ n z = y - μ σ y ± t ( se ) , se = s/ n σ ˆ π = s π (1 - π ) n ˆ π ± z ( se ) , se = s ˆ π (1 - ˆ π ) n n = ±
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