AP Statistics Data, Sampling, And Charts Test
16 Questions
| Total Attempts: 45
Questions and Answers
- 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
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