# AP Stats: Data, Sampling, GrAPhing

10 Questions | Attempts: 86
Share

Settings

• 1.
ATM PIN is what kind of value?
• A.

Categorical

• B.

Quantitative

• 2.
Points scored is what king of value?
• A.

Categorical

• B.

Ordinal

• C.

Interval

• D.

Ratio

• 3.
To study television commericals, we randomy sample several television channels and sample every commercial in a four-hour period. This is an example of what kind of sampling?
• A.

Cluster

• B.

Systemaic

• C.

Convenience

• D.

Stratefied

• E.

Self selecting

• 4.
To study attitudes on the school budget, we will survey everyone who attends back to school night. This is an example of what kind of sampling?
• A.

Self-selecting

• B.

Convenience

• C.

Systematic

• D.

Stratefied

• E.

Simple Random

• 5.
To study their opinions on the candidtades for municipal office will ask people their opinons at the library. Describe the potential bias in the sampling scheme.
• 6.
2000 people in a simple random sample were sent surveys on their eating habits; 317 return their survey. Describe the potential bias in this response rate.
• 7.
What are the two conditions under which a sample scheme can be considered a simple random sample.
• 8.
In a two-way frequency table, marginal distributiion refers to
• A.

Data values below a certain threshold

• B.

The first and last row in the table

• C.

The sums of the rows and columns

• D.

The labels of the rows and columns

• 9.
To study car safety, we will collect data on car accidents from the first 10 body shops listed in the phone book. 1) Why is this not a simple random sample? 2) What kind of sample is it, and 3) What is the potential bias?
• 10.
We would like to study the safety of automobiles by collecting data on the severity of injuries sustained in automobile accidents. What is the population for this study?
• A.

Automobiles

• B.

Accident victims