Ch.1 AP STATS

Key Terms

100

Examples: people, animals, things, etc.

What are Individuals?

200

An arrangement of values of a variable showing their observed or theoretical frequency of occurrence.

What is a distribution.

300

A variable that takes numerical values for which arithmetic operations such as adding and averaging can take place.

What is Quantitative Variable.

400

A variable that places an individual into one of several groups or categories.

What is a Categorical Variable?

500

The 25th and 75th percentiles are the 1st and 3rd of this term.

What is Quartile?

Key Concepts

100

Q3-Q1=?

What is IQR

200

The four parts to socs

What is spread, outlier, center, shape

300

Must fall more than 1.5 X IQR above the third quartile or below the first quartile

What is test for an outlier

400

(1+2+3+4+5)/5 is an example of what?

What is the mean

500

The standard deviation of the distribution: 

80  80  80  80  80

What is 0.

Solve

100

The mean for this list of data: 3,4,3,5,6,9

What is 5

200

what is the median for this set of data: 1,5,4,6,3,7,8,2,9,0

What is 5.5

300

The standard deviation for the list 3, 4, 3, 5, 6, and 9 rounded to the nearest tenth. 

What is 2.3.

400

The IQR for the distribution of grades in this list:

80  95  74  90  85  95  80  75  

What is 15.

500

The variance of a distribution with s_x= 4.8

What is 23.04.

The Exam

100

The score we all got!

What is 5?

200

Short for Calculator.

What is Calc?

300

There are this many FRQ questions on the AP Statistics Exam.

What is 6.

400

The one and only AP Stats teacher.

Who is Mrs. Nielsen?

500

The 2026 College Board AP Statistics Exam was administered on this date.

What is May 7, 2026?