AP Stats Choose Procedure

If a researcher were to interview every 10th student who enters the school in the morning. What type of sampling is this?

• simple random

• voluntary response

• systematic

• convenience

If a researcher were to assign each car in a dealership a number and then use a random-number table to select the cars to be inspected, what type of sampling is this?

• systematic

• simple random sample

• convenience

• Self - selected (volunteer)

Disneyland often surveys its guests as they exit a restaurant during their visit. The surveyor stands at the restaurant exit, counts the number of people leaving, and surveys every 25th guest.
This is a form of:

• Simple Random Sample

• Stratified Random Sample

• Voluntary Response

• Systematic Random Sampling

• A

• B

• C

• D

• E

The school district is interested in finding out student and parent opinions about the dress code.  They obtain a list of students from each school in the district and put them in alphabetical order.  They then send a survey to every 25th student and their parents on the list.

• Simple Random Sampling

• Stratified Random Sampling

• Systematic Sampling

• Convenience Sampling

Involves dividing the population into subgroups, you randomly select entire subgroups. What sampling technique is this?

• Simple Random Sample

• Snowball Sample

• Cluster Random Sample

• Stratified Random Sample

Includes the individuals who happen to be most accessible to the researcher. What sampling technique is this?

• Stratified sampling

• Snowball sampling

• Voluntary response sampling

• Convenience sampling

The school district is interested in finding out student and parent opinions about the dress code. They obtain a list of students from each school in the district and put them in alphabetical order. They then send a survey to every 25th student and their parents on the list.

• Simple Random Sampling

• Stratified Random Sampling

• Systematic Sampling

• Convenience Sampling

You want to take a simple random sample (SRS) of 50 of the 816 students who live in a dormitory on campus. You label the students 001 to 816 in alphabetical order. In the table of random digits, you read the entries (shown in the image).

The first three students in your sample have labels

• 955, 929, 400

• 400, 769, 769

• 559, 294, 007

• 929, 400, 769

• 400, 769, 335

The transportation department of a large city wants to estimate the proportion of residents who would use a system of aerial gondolas to commute to work. The gondolas would be part of the city’s effort to relieve traffic congestion. The department asked a random sample of residents whether they would use the gondolas. The residents could respond with yes, no, or maybe. Which of the following is the best description of the method for data collection used by the department?

• A census

• A sample survey

• An experiment with a completely randomized design

• An experiment with a randomized block design

• An experiment with a matched-pairs design