20)Data that is collected, stored, and analyzed in data mining is often private and personal There is no way to maintain individuals' privacy other than being very careful about physical data security Answer: FALSE Diff: 2 Page Ref: 237 21) In the Influence Health case study, what was the goal of the system? A)locating clinic patients B)understanding follow-up care C)decreasing operational costs D)increasing service use Answer: D Diff: 3 Page Ref: 224 22)Understanding customers better has helped Amazon and others become more successful. The understanding comes primarily from A)collecting data about customers and transactions B)developing a philosophy that is data analytics-centric C) analyzing the vast data amounts routinely collected D)asking the customers what they want Answer: C Diff: 3 Page Ref: 193 23)All of the following statements about data mining are true EXCEPT A)the process aspect means that data mining should be a one-step process to results B)the novel aspect means that previously unknown patterns are discovered C)the potentially useful aspect means that results should lead to some business benefit D)the valid aspect means that the discovered patterns should hold true on new data Answer:A Diff:3 Page Ref: 196 24)What is the main reason parallel processing is sometimes used for data mining? A)because the hardware exists in most organizations, and it is available to use B)because most of the algorithms used for data mining require it C) because of the massive data amounts and search efforts involved D)because any strategic application requires parallel processing Answer: C Diff:3 Page Ref: 197 25)The data field"ethnic group"can be best described as A)nominal data B)interval data C)ordinal data D)ratio data Answer: A Diff:2 Page Ref: 208 Copyright C 2018 Pearson Education, Inc3 Copyright © 2018 Pearson Education, Inc. 20) Data that is collected, stored, and analyzed in data mining is often private and personal. There is no way to maintain individuals' privacy other than being very careful about physical data security. Answer: FALSE Diff: 2 Page Ref: 237 21) In the Influence Health case study, what was the goal of the system? A) locating clinic patients B) understanding follow-up care C) decreasing operational costs D) increasing service use Answer: D Diff: 3 Page Ref: 224 22) Understanding customers better has helped Amazon and others become more successful. The understanding comes primarily from A) collecting data about customers and transactions. B) developing a philosophy that is data analytics-centric. C) analyzing the vast data amounts routinely collected. D) asking the customers what they want. Answer: C Diff: 3 Page Ref: 193 23) All of the following statements about data mining are true EXCEPT A) the process aspect means that data mining should be a one-step process to results. B) the novel aspect means that previously unknown patterns are discovered. C) the potentially useful aspect means that results should lead to some business benefit. D) the valid aspect means that the discovered patterns should hold true on new data. Answer: A Diff: 3 Page Ref: 196 24) What is the main reason parallel processing is sometimes used for data mining? A) because the hardware exists in most organizations, and it is available to use B) because most of the algorithms used for data mining require it C) because of the massive data amounts and search efforts involved D) because any strategic application requires parallel processing Answer: C Diff: 3 Page Ref: 197 25) The data field "ethnic group" can be best described as A) nominal data. B) interval data. C) ordinal data. D) ratio data. Answer: A Diff: 2 Page Ref: 208