# AP Statistics Data, Sampling, And Charts Test

16 Questions | Total Attempts: 45  Settings  • 1.
To study attitudes on the school budget, we will ask people their opinons at back to school night. Describe the potential bias in our sample
• 2.
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.
• 3.
What are the two conditions under which a sample scheme can be considered a simple random sample.
• 4.
From the following web page: http://www.nationsonline.org/oneworld/country_code_list.htm, select four countries at random by using your random number table to select ISO numeric codes. Note that you can sort the list by code.
• 5.
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?
• 6.
What is the page number of your random number table?
• 7.
A Virginia restaraunt  determines its customers' political preferences by whether they buy the red or blue tortilla chips. (True story) This is an example of what kind of sampling?
• A.

Cluster

• B.

Convenience

• C.

Systematic

• D.

Simple Random

• E.

Random

• 8.
Social security number is what kind of value?
• A.

Categorical

• B.

Quantitative

• 9.
Odometer reading is what king of value?
• A.

Categorical

• B.

Ordinal

• C.

Interval

• D.

Ratio

• 10.
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

• 11.
To study attitudes on the school budget, we will ask people their opinons at 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

• 12.
To say a sample is biased means the sample does not represent the population
• A.

True

• B.

False

• 13.
What are some shape characteristics we would look for in a graph? (Check all that apply.)
• A.

Skewed

• B.

Uniform

• C.

Linear

• D.

Exponential

• E.

• 14.
A gap in a quantitative plot suggest one of the following.
• A.

The boundary between two populations

• B.

Missing data

• C.

Biased questions

• D.

Convenience sample

• E.

Ordinal data

• 15.
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

• 16.
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

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