AP Statistics Data, Sampling, And Charts Test

16 Questions | By KretschK | Last updated: Mar 17, 2022 | Total Attempts: 45

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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.
  
  Quadratic
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