10. The video the nest watchers took of the baby sea turtles making their way to the water is too large to send. How can the volunteers compress the video to get it to the scientists in full resolution? (A) Lossless compression will allow the scien- tists to see the video in full resolution. (B) Lossy compression will make the file small enough to send. (C) They should be combined for the best compression. (D) Any compression technique will be sufficient. 11. When analyzing a list of potential employees for promotion that an algorithm produced, the team noticed that there were no members of a particular group included. With further research, it was determined that part of the criteria that the algorithm used included prior employees in that position, which had few from that particular group. What is this is an example of? (A) Bias (B) Citizen science (C) Single criteria elimination (D) Targeted data

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Answer 10-12 multiple choice questions show work and explain how you got the correct answer!! Not an graded assignment
10. The video the nest watchers took of the baby sea
turtles making their way to the water is too large
to send. How can the volunteers compress the
video to get it to the scientists in full resolution?
(A) Lossless compression will allow the scien-
tists to see the video in full resolution.
(B) Lossy compression will make the file small
enough to send.
(C) They should be combined for the best
compression.
(D) Any compression technique will be
sufficient.
11. When analyzing a list of potential employees
for promotion that an algorithm produced, the
team noticed that there were no members of a
particular group included. With further research,
it was determined that part of the criteria that
the algorithm used included prior employees in
that position, which had few from that particular
group. What is this is an example of?
(A) Bias
(B) Citizen science
(C) Single criteria elimination
(D) Targeted data
12. Which of the following techniques would be
best to use to further analyze patterns that
emerged during data mining?
i. Classifying data to categorize it into distinct
groups
ii. Cleaning data to determine which data to
include in the processing
iii. Clustering data to separate data with simi-
larities into subclasses
iv. Filtering to set conditions so only records
meeting the criteria are included
(A) i, ii, iii
(B) i, iii, iv
(C) i, ii, iv
(D) i, ii, iii, iv
Transcribed Image Text:10. The video the nest watchers took of the baby sea turtles making their way to the water is too large to send. How can the volunteers compress the video to get it to the scientists in full resolution? (A) Lossless compression will allow the scien- tists to see the video in full resolution. (B) Lossy compression will make the file small enough to send. (C) They should be combined for the best compression. (D) Any compression technique will be sufficient. 11. When analyzing a list of potential employees for promotion that an algorithm produced, the team noticed that there were no members of a particular group included. With further research, it was determined that part of the criteria that the algorithm used included prior employees in that position, which had few from that particular group. What is this is an example of? (A) Bias (B) Citizen science (C) Single criteria elimination (D) Targeted data 12. Which of the following techniques would be best to use to further analyze patterns that emerged during data mining? i. Classifying data to categorize it into distinct groups ii. Cleaning data to determine which data to include in the processing iii. Clustering data to separate data with simi- larities into subclasses iv. Filtering to set conditions so only records meeting the criteria are included (A) i, ii, iii (B) i, iii, iv (C) i, ii, iv (D) i, ii, iii, iv
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