finals

Question 1

______ is a collection of methods
for planning experiments, obtaining
data, and then organizing,
summarizing, analyzing, interpreting,
and drawing conclusions based on the
data.

Answer 1

Statistics

Question 2

______are
methods for
organizing and
summarizing
data.

Answer 2

Descriptive Statistics

Question 3

______consists of
procedures used to make inferences about
population characteristics from information
contained in a sample drawn from this
population

Answer 3

Inferential Statistics

Question 4

covers a large variety of
techniques that allow us to make actual claims
about a population based on sample of data

Answer 4

Inferential Statistics

Question 5

Includes
-Collecting
-Organizing
-Summarizing
-Presenting data

Answer 5

Descriptive Statistics

Question 6

-Making inferences
-Hypothesis testing
-Determining relationships
- Making predictions

Answer 6

Inferential Statistics

Question 7

information or facts necessary to conduct a certain study.

Answer 7

data

Question 8

Data that has been
collected by
researcher
themselves for the
specific purposes of
answering a
research question

Answer 8

Primary Data

Question 9

Data that has been
collected by another
researcher or
organization for
other purposes

Answer 9

Secondary Data

Question 10

A _______ is a characteristic that changes or varies
over time and/or for different individuals or object
under consideration.

Answer 10

Variable

Question 11

A _______ is a variable whose numerical is
determined by the outcome of some chance
experiment.

Answer 11

Random Variable

Question 12

An ______ is the individual or
object on which a variable is measured. A
single measurement or data value results
when a variable is actually measured on an
experimental unit.

Answer 12

Experimental unit

Question 13

_______ result when a single variable is
measured on a single experimental unit.

Answer 13

Univariate data

Question 14

_______ result when two variables are
measured on a single experiment unit.

Answer 14

Bivariate data

Question 15

_______ results when more than two
variables are measured.

Answer 15

Multivariate data

Question 16

The ________ in a statistical study
is the group of
objects drawn about
which conclusions
are to be drawn.

Answer 16

Population

Question 17

is a subset of measurements selected from the population of interest.

Answer 17

A sample

Question 18

A descriptive value for a population is called a
________ and a descriptive value for a sample is
called a ________.

Answer 18

parameter, statistic.

Question 19

measures a
quality or
characteristic on
each experiment
unit

Answer 19

Qualitative Data

Question 19

measures a
numerical quantity or
amount on each
experiment unit.

Answer 19

Quantitative Data

Question 20

results from either a finite of possible values or countable number of possible values (That is, the number of possible values is 0, 1 or 2, and so on)

Answer 20

Discrete data

Question 21

results from many possible values that can be associated with points on a continuous scale in such a way that there are no gaps or interruptions

Answer 21

Continuous data

Question 21

The _______ of measurement is the
interval level modified to include
the inherent zero starting point.
For values at this level, differences
and ratios are meaningful.

Answer 21

ratio level

Question 21

The ________ of measurement is
characterized by the data that consist of
names, labels or categories only, and the
data cannot be arranged in an ordering
scheme

Answer 21

nominal level

Question 22

is a well defined collection of distinct things or
objects.

Answer 22

Set

Question 22

of a set can be specified by simply listing the
elements inside a pair of braces

Answer 22

Elements

Question 22

The ________ of measurement involves
data that may be arranged in some order,
but differences between data values either
cannot be determined or are meaningless

Answer 22

ordinal level

Question 22

The ______ measurement is like the
ordinal level, with the a additional that
meaningful amounts of differences
between data can be determined.
However, there is no inherent zero stating
point

Answer 22

Interval level

Question 23

is any process that yields a
measuremen

Answer 23

Experiment

Question 24

a set of all possible outcomes of
a statistical experiment and represented by a
symbol S. It can be also be called as a collection
of simple events.

Answer 24

Sample Space

Question 25

-is a subset of a sample space. Event is any
particular outcome or group of outcomes from an
experiment

Answer 25

Event

Question 26

(or elementary event) - is a subset
that contains only one outcome (element) that
cannot be broke down (decomposed), into a
simpler, more basic outcome

Answer 26

Simple Event

Question 27

( or composite event) – is defined
as a subset of the sample space that contains more
that one simple event. Denoted by Capital letters.

Answer 27

Compound Event

Question 28

he entire set can be
considered to be a subset, as can a set that
contains no elements at all.

Answer 28

Empty Set, or null set

Question 29

__________ of two events is the event that consists of all outcomes
that are contained in either of two events. We denote union
as A υ B

Answer 29

Union

Question 30

_________of two events is the event that consists of all
outcomes that are contained in both of the two events. We denote the intersection as
A n B

Answer 30

Intersection

Question 31

________ of an event in a sample space is the set of outcomes in the
sample space that are not in the event. This subset is given by the
symbol A’

Answer 31

Complement

Question 32

An arrangement of all or part of a set of objects

Answer 32

Permutations

Question 33

_________ is a measure of the
likelihood of some event. It is
stated as a number from 0 to
1, where the probability of
(0) means that the event
cannot possibly occur and a
probability of (1) means that
the event is certain to occur.

Answer 33

Probability

Question 34

The ______ of random variable (also called a chance
variable) is the sample space that summarizes the
outcomes of a randomly determined statistical experiment

Answer 34

domain

Question 35

The _______ for a random variable assigns one
and only one real number to each point in the sample
space.

Answer 35

rule of association

Question 36

The _____ of a random variable is the sample space of
numbers defined by the rule of association.

Answer 36

range

Question 37

A ________ can assume a
countable number of values

Answer 37

discrete random variable

Question 38

A _______ can assume any
value along a given interval of a number line.

Answer 38

continuous random variable