Unit 3: Survey and Experimental Design Review

A member of Congress wants to know what his constituents think of proposed legislation on health insurance. His staff reports that 228 letters have been received on the subject, of which 193 oppose the legislation. What is the population in this situation?

• the constituents

• the 228 letters received

• the 193 opposing the legislation

• Congress

Tags

CCSS.HSS.IC.A.1

What would you call a sample consisting of those people who choose themselves by responding to a general appeal?

In other words, what do you call people who select themselves to answer a survey or supply feedback?

• census

• write-in campaign

• simple random sample

• a voluntary response sample

Which of the following is not a potential source of bias in a survey?

• undercoverage

• nonresponse

• the use of convenience sampling

• the use of simple random sampling

If the design of a study is such that it systematically favors certain outcomes, it is said to be what?

• a block design

• double blind

• biased

• a comparative study

What occurs in a double blind experiment?

• Both eyes are blindfolded so as to deprive subjects of visual input

• Subjects know neither what they are to do nor when they are to do it

• Neither subjects nor evaluators know what treatment they are receiving

• Units (usually animals) are not allowed to see other units nor the investigators

Tags

CCSS.HSS.IC.B.5

Which of the following is not a major principle of experimental design?

• comparative experimentation (creating both control and experiment groups)

• replication

• randomization

• segmentation

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.5

What term is used to describe a sample of size "n" chosen in such a way that every set of "n" items in the population has an equal chance to be in the sample?

• simple random sample

• block design

• comparative study

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

A sample in which the population is first divided into groups of similar individuals based on a characteristic or quality and then a separate simple random sample is selected from each group and combined to form the full sample is called what?

• probability sample

• stratified random sample

• simple random sample

• convenience sample

Use the following list of random digits:

81057 27102 56027 55892 33063 41842 81868 71035 09001 43367 49497 54580.

Read from the beginning of the list, to select a simple random sample of three people from the following population of 8 people. Read the list of random digits one at a time and use the labels given in the list of names below:

1. Berliner 2. MacEachern 3. Stasny 4. Pearl 5. Dean 6. Goel 7. Blumenthal 8. Hsu

What is the sample selected?

• Berliner, MacEachern, Stasny

• Dean, Goel, Blumenthal

• Hsu and Berliner, no third person is selected

• Hsu, Berliner, Dean

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

A high school statistics class wants to conduct a survey to determine what percentage of students in the school would be willing to pay a fee for participating in after-school activities. Twenty students are randomly selected from each of the freshman, sophomore, junior, and senior classes to complete the survey. This plan is an example of which type of sampling?

• Cluster

• Convenience

• Simple Random

• Stratified random

• Systematic

Tags

CCSS.HSS.IC.B.3