Unit 7 AP stats

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9 Terms

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sample size
mE ≥ z\* (s/√n)
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z\*
invNorm (area, μ, σ)
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1-sample t-interval
x̄ ± t\* (s/√n)
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p-value
tcdf (lower, upper, df)
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1-sample t-test for means
t = x̄-μo/(sx/√n)
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1-sample t-test for paired data
t = x̄d - μd/(σd/√n)
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confidence interval to estimate the true mean difference
x̄d ± t\* √(s₁²/n₁ + s₂²/n₂)
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t\*
invt (area, df)
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1-sample t-interval for paired t-test
t = x̄ - 0/(s₁²/n)