Definitions

Question 1

population

Answer 1

set of all elements of interest in a particular study

Question 2

sample

Answer 2

subset of populations to predict the average of the population
-good samples should be similar and reflect the population

Question 3

data elements

Answer 3

objects, individuals, observations

Question 4

data variables

Answer 4

characteristics of the individuals

Question 5

categorical variables

Answer 5

answers to questions will place you in a particular group or category

Question 6

quantitative variables

Answer 6

numerical data, number for the answer instead of a category or group

Question 7

discrete variables

Answer 7

a finite possible #s of outcomes

Question 8

continuous variables

Answer 8

infinitely many possible outcomes

Question 9

outlier

Answer 9

stands out from the rest of the majority values, an extreme data value

Question 10

median

Answer 10

resistant measure of the center, it can resist the influence of outliers

Question 11

correlations coefficient (r)

Answer 11

measures the strength and directions of a linear association between two quantitative variables
-#b/w (-1) and (+1)

Question 12

sample space

Answer 12

collection of all possible outcomes of a probability experience

Question 13

events

Answer 13

a sub collection of the outcomes in S

Question 14

P(e)

Answer 14

probability of having event …e