Statistics for Management And Economics 10th Edition By Gerald Keller – Test Bank

Statistics for Management And Economics 10th Edition By Gerald Keller – Test Bank

CHAPTER 5: DATA COLLECTION AND SAMPLING

TRUE/FALSE

1.An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

ANS: T PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

2.Self-administered surveys usually have a high response rate.

ANS: F PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

3.In designing a survey, demographic questions must be avoided.

ANS: F PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

4.The response rate of a survey is the proportion of all people who were selected but did not complete the survey.

ANS: F PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

5.A self-selected sample is the group of individuals who were randomly selected to be in the sample, then agreed to participate in the study.

ANS: F PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

6.Experimental data tend to be more reliable, or “stronger,” than survey data.

ANS: T PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

7.An experiment involves collecting data about persons or objects by deliberately exposing them to some kind of change and comparing the results.

ANS: T PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

8.A question on a survey that was not answered is an example of an open-ended question.

ANS: F PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension

9.A self-selected sample is one in which the individuals choose themselves to be in the sample.

ANS: T PTS: 1 DIF: Easy OBJ: SFME.KELL.15.05.01

NAT: BUSPROG.SFME.KELL.15.03 STA: DISC.SFME.KELL.15.01

KEY: Bloom’s: Comprehension