C1

Question 1

compression

Answer 1

encoding information using as few bits as possible

can be lossy or lossless

compression algorithms exploit structure to compress the data and data mining aims to extract structure from data

Question 2

parameter

Answer 2

numerical summary of the population

Question 3

statistic

Answer 3

numerical summary of the sample

use sample statistic to make inferences about the population parameter

Question 4

sample space S

Answer 4

the set of possible outcomes of an experiment

Question 5

events

Answer 5

subset of the sample space

Question 6

probability distribution

Answer 6

lists the possible outcomes of a random variable and their respective probabilities