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# Unit: Summarizing quantitative data

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑3 (EU)

#### 0

Possible mastery points

## Measuring center in quantitative data

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑1.I (LO)
,
UNC‑1.I.1 (EK)
,
UNC‑1.I.2 (EK)
,
UNC‑1.I.3 (EK)
Practice
Calculating the meanGet 3 of 4 questions to level up!
Calculating the medianGet 3 of 4 questions to level up!
Calculating mean and median from data displaysGet 3 of 4 questions to level up!

## More on mean and median

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑1.I (LO)
,
UNC‑1.I.2 (EK)
,
UNC‑1.K (LO)
,
UNC‑1.K.2 (EK)
,
UNC‑1.M (LO)
,
UNC‑1.M.2 (EK)
Practice
Missing value given the meanGet 3 of 4 questions to level up!
Estimating mean and median in data displaysGet 3 of 4 questions to level up!

#### Quiz 1

Level up on the above skills and collect up to 600 Mastery points

## Measuring spread in quantitative data

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑1.J (LO)
,
UNC‑1.J.1 (EK)
,
UNC‑1.J.2 (EK)
,
UNC‑1.J.3 (EK)
,
UNC‑1.K (LO)
,
UNC‑1.K.2 (EK)
Practice
Interquartile range (IQR)Get 3 of 4 questions to level up!
Sample standard deviationGet 3 of 4 questions to level up!
Visually assessing standard deviationGet 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 300 Mastery points

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑1.J (LO)
,
UNC‑1.J.3 (EK)
,
UNC‑3 (EU)
,
UNC‑3.I (LO)
,
UNC‑3.I.1 (EK)

## Box and whisker plots

AP Stats:
UNC (BI)
,
UNC‑1 (EU)
,
UNC‑1.K (LO)
,
UNC‑1.K.1 (EK)
,
UNC‑1.L (LO)
,
UNC‑1.L.1 (EK)
,
UNC‑1.L.2 (EK)
Practice
Creating box plotsGet 3 of 4 questions to level up!
Reading box plotsGet 3 of 4 questions to level up!
Interpreting quartilesGet 3 of 4 questions to level up!
Identifying outliersGet 3 of 4 questions to level up!

#### Quiz 3

Level up on the above skills and collect up to 400 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1300 Mastery points!

### About this unit

This unit covers common measures of center like mean and median. We'll also learn to measure spread or variability with standard deviation and interquartile range, and use these ideas to determine what data can be considered an outlier.
AP® is a registered trademark of the College Board, which has not reviewed this resource.