chapter 1,2 statistics

Question 1

Question

is the science of conducting studies to collect, organize, summarize, analyze, and draw conclusions

Answer

statistics
variable
data
quantitative variables

Question 2

Question

is a characteristic or attribute that can assume different values

Answer

variable
data
discrete
continuous

Question 3

Question

are the values that variables can assume

Answer

data
variables
qualitatives
discrete

Question 4

Question

is a collection of date values

Answer

data set
random variables
qualitatives
continous varibales

Question 5

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have values that are determined by chance

Answer

random variables
data set
discrete variables
statistics

Question 6

Question

can be placed into distinct categories according to some characteristics or attribute

Answer

qualitative variables
quantitative variables
data set
variables

Question 7

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are numerical in nature and can be ordered or ranked

Answer

quantitative variables
qualitative variables
random variables
data set

Question 8

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assume values that can be counted

Answer

discrete variables
continuous variables
data set
random, variables

Question 9

Question

can assume all values between any two specific values

Answer

continuous variables
data set
discrete variables
nominal

Question 10

Question

classifies data into mutually exclusive (non overlapping), exhausting categories in which no order or ranking can be imposed on the data

Answer

nominal
ordinal
data set
random variables

Question 11

Question

classicfies data into categories that can be ranked: however, precise differences between the ranks do not exist

Answer

ordinal
nominal
continuous variable
random variable

Question 12

Question

ranks data, and precise differences between units of measure do exist, however, there is no meaningful zero

Answer

interval
ratio
nominal
ordinal

Question 13

Question

posses all the characteristics of interval measurement, and there exists a true zero

Answer

ratio
interval
nominal
data set

Question 14

Question

consists of the collection, organization, summarization, and presentation of data

Answer

descriptive statistic
inferential statics
ordinal
interval

Question 15

Question

consists of generalizing from samples to populations, performing hypothesis testing, determine relationships among variables, and making predictions.

Answer

inferential statistics
descriptive statistics
nominal
data set

Question 16

Question

is the chance of an even occurring

Answer

probability
population
sample
data set

Question 17

Question

consists of all subjects that are being studied

Answer

population
probability
sample
nominal

Question 18

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is a group of subjects selected from a population

Answer

sample
population
probability
data set

Question 19

Question

are selected using chance methods or random methods

Answer

random samples
systematic samples
data sets
nominal

Question 20

Question

by numbering each subject of the populations and then selecting every nth number

Answer

systematic samples
random samples
data sets
interval

Question 21

Question

by dividing the population into groups according to some characteristics that is important to the study, the sampling from each group

Answer

stratified samples
cluster samples
data set
nominal

Question 22

Question

by using intact groups called clusters

Answer

cluster samples
stratified samples
data sets
ordinal

Question 23

Question

thee researcher mercy observes what is happening or what has happened in the past and tries to draw conclusions based ion these observations

Answer

observational study
experimental study
data set
discrete variables

Question 24

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the researcher manipulates one of the variables and tries to determine how the manipulation influences the variables

Answer

experimental study
observation study
continuous variables
ordinal

Question 25

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data collected in original form is called

Answer

raw data
frequency distribution
categorial frequency distribution
nominal

Question 26

Question

is the organization of raw data in table form, using classes and frequencies

Answer

frequencies distribution
raw data
categorial frequency distribution
nominal

Question 27

Question

nominal or ordinal level data that can be places in categories is organized

Answer

categorical frequency distribution
raw data
frequency distribution
nominal

Question 28

Question

are used when the range of the data is large

Answer

grouped frequency distribution
lower and upper class limits
class boundaries
ordinal

Question 29

Question

the smallest and largest possible data values in class are the

Answer

lower and upper limits
class boundaries
grouped frequency distribution
ordinal

Question 30

Question

is a graph that displays the data by using vertical bars of various heights to represent the frequencies of the classes

Answer

histogram
class boundaries
ordinal
nominal

Question 31

Question

is a graph that displays the data by using lines that connects points plotted for the frequencies at the class midpoints. the frequencies are represented by the heights of the points

Answer

frequency polygon
class midpoints
histogram
nominal

Question 32

Question

is a graph that represents the cumulative frequencies for the classes in a frequency distribution

Answer

ogive
ordinal
histogram
nominal

Question 33

Question

if proportions are used instead of frequencies, the graph are called

Answer

relative frequency graphs
ogive
ordinal
nominal

Question 34

Question

a statistical graph in which each data value is plotted as a point above the horizontal axis

Answer

dotplot
ogive
ordinal
nominal

Question 35

Question

a data plot that uses part of a data value as the stem and part of the data value as the leaf to form groups or classes

Answer

stem and leaf plot
ogive
dot plot
ordinal

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chapter 1,2 statistics

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	Created by Rigo Sanchez almost 9 years ago