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# Unit: Inference for quantitative data: Means

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AP Stats:

UNC (BI)

, UNC‑4 (EU)

, UNC‑4.O (LO)

, UNC‑4.O.1 (EK)

, UNC‑4.O.3 (EK)

, UNC‑4.P (LO)

, UNC‑4.P.1 (EK)

, UNC‑4.Q (LO)

, UNC‑4.Q.1 (EK)

, UNC‑4.Q.2 (EK)

, UNC‑4.Q.3 (EK)

, UNC‑4.R (LO)

, UNC‑4.R.1 (EK)

, UNC‑4.R.2 (EK)

, UNC‑4.T (LO)

, UNC‑4.T.1 (EK)

, UNC‑4.U (LO)

, VAR (BI)

, VAR‑7 (EU)

, VAR‑7.A (LO)

, VAR‑7.A.1 (EK)

### Learn

### Practice

- Conditions for a t interval for a meanGet 3 of 4 questions to level up!
- Finding the critical value t* for a desired confidence levelGet 3 of 4 questions to level up!
- Calculating a t interval for a meanGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

AP Stats:

DAT (BI)

, DAT‑3 (EU)

, DAT‑3.E (LO)

, DAT‑3.E.1 (EK)

, DAT‑3.F (LO)

, DAT‑3.F.1 (EK)

, DAT‑3.F.2 (EK)

, VAR (BI)

, VAR‑7 (EU)

, VAR‑7.B (LO)

, VAR‑7.B.1 (EK)

, VAR‑7.C (LO)

, VAR‑7.C.1 (EK)

, VAR‑7.D (LO)

, VAR‑7.D.1 (EK)

, VAR‑7.E (LO)

, VAR‑7.E.1 (EK)

### Learn

### Practice

- Writing hypotheses for a test about a meanGet 3 of 4 questions to level up!
- Conditions for a t test about a meanGet 3 of 4 questions to level up!

### Learn

### Practice

- Calculating the test statistic in a t test for a meanGet 3 of 4 questions to level up!
- Calculating the P-value in a t test for a meanGet 3 of 4 questions to level up!
- Making conclusions in a t test for a meanGet 3 of 4 questions to level up!

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

AP Stats:

UNC (BI)

, UNC‑4 (EU)

, UNC‑4.V (LO)

, UNC‑4.V.1 (EK)

, UNC‑4.V.2 (EK)

, UNC‑4.W (LO)

, UNC‑4.W.1 (EK)

, UNC‑4.X (LO)

, UNC‑4.X.1 (EK)

, UNC‑4.X.2 (EK)

, UNC‑4.Y (LO)

, UNC‑4.Y.1 (EK)

, UNC‑4.Y.2 (EK)

### Learn

### Practice

- Conditions for inference on two meansGet 3 of 4 questions to level up!
- Two-sample t interval for the difference of means (calculator-active)Get 3 of 4 questions to level up!

AP Stats:

DAT (BI)

, DAT‑3 (EU)

, DAT‑3.H (LO)

, DAT‑3.H.1 (EK)

, DAT‑3.H.2 (EK)

, UNC (BI)

, UNC‑4 (EU)

, UNC‑4.AA (LO)

, UNC‑4.AA.1 (LO)

, VAR (BI)

, VAR‑7 (EU)

, VAR‑7.B (LO)

, VAR‑7.B.2 (EK)

, VAR‑7.C (LO)

, VAR‑7.C.2 (EK)

, VAR‑7.F (LO)

, VAR‑7.F.1 (EK)

, VAR‑7.G (LO)

, VAR‑7.G.1 (EK)

, VAR‑7.I (LO)

, VAR‑7.I.1 (EK)

### Learn

### Practice

- Writing hypotheses to test the difference of meansGet 3 of 4 questions to level up!
- Test statistic in a two-sample t testGet 3 of 4 questions to level up!
- P-value in a two-sample t testGet 3 of 4 questions to level up!
- Making conclusions about the difference of meansGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

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