Chapter 5: Producing Data

 

Key Vocabulary:

 

 

         voluntary response sample

         confounded

         population

         sample

         design

         convenience sampling

         biased

         simple random sample

         table of random digits

         probability sample

         stratified random sample

         strata

         undercoverage

         nonresponse

         response bias

         sampling frame

         systematic random sample

         observational study

         experimental units

         subjects

         treatment

         factor

         level

         placebo effect

         control group

         randomization

         completely randomized experiment

         statistically significant

         replication

         hidden bias

         double-blind experiment

         block design

         matched pairs design

         simulation

         trial

 

 Calculator Skills:

         STO

        

        

         and
 

5.1    Designing Samples (pp.270-289)

1.      Why are voluntary response samples unreliable?

2.      Explain the difference between a population and a sample?

3.      Why might convenience sampling be unreliable?

4.      What is a biased study?

5.      What is meant by the design of a sample?

6.      Define simple random sample.

7.      What two properties of a table of random digits make it a good choice for creating a simple random sample?

8.      What is a stratified random sample?

9.      Give an example of undercoverage in a sample.

10.  Give an example of response bias in a sample.

11.  How can the wording of questions cause bias in a sample?

 


5.2    Designing Experiments (pp.290-308)

1.      Explain the difference between an observational study and an experiment.

 

2.      Explain the difference between experimental units and subjects.

3.      Define treatment.

4.      Give an example of at least two levels of a factor in an experiment.

5.      Describe the placebo effect.

6.      What is the significance of using a control group?

7.      Define randomization.

8.      Define statistically significant.

9.      What are the advantages of a double-blind study?

10.  Describe a block design.

 

11.  Describe a matched pairs design.

 

 

 


 

5.3    Simulating Experiments (pp.309-318)

1.      What is simulation?

 

2.      List the five steps for conducting a simulation: