AP Stat Review

Experiments must have both random assignment of treatments and random selection of subjects.

• True

• False

Tags

CCSS.HSS.IC.B.3

If a question asks for the probability of that it "takes 4 tries at a game before getting your first success", it is a binomial random variable.

• True

• False

In both stratified sampling and cluster sampling, the population is divided into groups. A stratified sample takes all observations from some of the (homogeneous) groups. A cluster sample takes some of the observations from all of the (heterogeneous) groups.

• True

• False

Tags

CCSS.HSS.IC.B.3

When describing the distribution of a categorical variable, we use CSOCS: context, shape, outliers, center, spread

• True

• False

Tags

CCSS.6.SP.B.5C

CCSS.HSS.ID.A.3

To determine if two events are independent, there are several possible formulas. One formula you could use is P(A) = P(A and B)

• True

• False

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.4

A boxplot can be described as "roughly normal".

• True

• False

If two events are mutually exclusive, then P(A and B) =

P(A)*P(B).

• True

• False

The "experimental units" are the units of the response variable in a randomized experiment.

• True

• False

Tags

CCSS.HSS.IC.B.3

In a randomized block design, we randomly assign subjects to the block.

• True

• False

Tags

CCSS.HSS.IC.B.3

A voluntary response sample is when a person is selected to be part of a sample, but chooses not respond.

• True

• False

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1