# Significance tests (hypothesis testing)

AP Stats: DAT (BI), DAT‑3 (EU), UNC (BI), UNC‑5 (EU), VAR (BI), VAR‑6 (EU)

## The idea of significance tests

AP Stats: VAR (BI), VAR‑6 (EU), VAR‑6.D (LO), VAR‑6.D.1 (EK), VAR‑6.D.2 (EK), VAR‑6.D.3 (EK), VAR‑6.D.4 (EK), VAR‑6.D.5 (EK), VAR‑6.G (LO), VAR‑6.G.4 (EK)
Practice
Writing null and alternative hypothesesGet 3 of 4 questions to level up!
0/100 points
Estimating P-values from simulationsGet 3 of 4 questions to level up!
0/100 points

## Error probabilities and power

AP Stats: UNC (BI), UNC‑5 (EU), UNC‑5.A (LO), UNC‑5.A.1 (EK), UNC‑5.A.2 (EK), UNC‑5.B (LO), UNC‑5.B.1 (EK), UNC‑5.B.2 (EK), UNC‑5.B.3 (EK), UNC‑5.C (LO), UNC‑5.C.1 (EK), UNC‑5.D (LO), UNC‑5.D.1 (EK), UNC‑5.D.2 (EK)
Practice
Type I vs Type II errorGet 3 of 4 questions to level up!
0/100 points
Error probabilities and powerGet 3 of 4 questions to level up!
0/100 points

#### Quiz 1

Level up on the above skills and collect up to 400 Mastery points

## Testing hypotheses about a proportion

AP Stats: DAT (BI), DAT‑3 (EU), DAT‑3.A (LO), DAT‑3.A.1 (EK), DAT‑3.A.2 (EK), DAT‑3.B (LO), DAT‑3.B.1 (EK), DAT‑3.B.2 (EK), DAT‑3.B.3 (EK), DAT‑3.B.4 (EK), DAT‑3.B.5 (EK), DAT‑3.B.8 (EK), DAT‑3.B.9 (EK), VAR (BI), VAR‑6 (EU), VAR‑6.D (LO), VAR‑6.D.1 (EK), VAR‑6.D.2 (EK), VAR‑6.D.3 (EK), VAR‑6.D.4 (EK), VAR‑6.D.5 (EK), VAR‑6.E (LO), VAR‑6.E.1 (EK), VAR‑6.F (LO), VAR‑6.F.1 (EK), VAR‑6.G (LO), VAR‑6.G.1 (EK), VAR‑6.G.2 (EK), VAR‑6.G.3 (EK), VAR‑6.G.4 (EK)
Practice
Writing hypotheses for a test about a proportionGet 3 of 4 questions to level up!
0/100 points
Conditions for a z test about a proportionGet 3 of 4 questions to level up!
0/100 points
0/100 points
0/100 points
Making conclusions in a z test for a proportionGet 3 of 4 questions to level up!
0/100 points

#### Quiz 2

Level up on the above skills and collect up to 500 Mastery points

## Testing hypotheses about a mean

AP Stats: DAT (BI), DAT‑3 (EU), DAT‑3.F (LO), DAT‑3.F.1 (EK), DAT‑3.F.2 (EK)
Practice
Writing hypotheses for a test about a meanGet 3 of 4 questions to level up!
0/100 points
Conditions for a t test about a meanGet 3 of 4 questions to level up!
0/100 points
0/100 points
Calculating the P-value in a t test for a meanGet 3 of 4 questions to level up!
0/100 points
Making conclusions in a t test for a meanGet 3 of 4 questions to level up!
0/100 points

#### Quiz 3

Level up on the above skills and collect up to 500 Mastery points
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#### Unit test

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