# chapter 1,2 statistics

### Description

statistics math Quiz on chapter 1,2 statistics , created by Rigo Sanchez on 05/02/2016.
Quiz by Rigo Sanchez, updated more than 1 year ago
 Created by Rigo Sanchez over 8 years ago
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7

## Resource summary

### Question 1

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is the science of conducting studies to collect, organize, summarize, analyze, and draw conclusions
• statistics
• variable
• data
• quantitative variables

### Question 2

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is a characteristic or attribute that can assume different values
• variable
• data
• discrete
• continuous

### Question 3

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are the values that variables can assume
• data
• variables
• qualitatives
• discrete

### Question 4

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is a collection of date values
• data set
• random variables
• qualitatives
• continous varibales

### Question 5

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have values that are determined by chance
• random variables
• data set
• discrete variables
• statistics

### Question 6

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can be placed into distinct categories according to some characteristics or attribute
• qualitative variables
• quantitative variables
• data set
• variables

### Question 7

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are numerical in nature and can be ordered or ranked
• quantitative variables
• qualitative variables
• random variables
• data set

### Question 8

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assume values that can be counted
• discrete variables
• continuous variables
• data set
• random, variables

### Question 9

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can assume all values between any two specific values
• continuous variables
• data set
• discrete variables
• nominal

### Question 10

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classifies data into mutually exclusive (non overlapping), exhausting categories in which no order or ranking can be imposed on the data
• nominal
• ordinal
• data set
• random variables

### Question 11

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classicfies data into categories that can be ranked: however, precise differences between the ranks do not exist
• ordinal
• nominal
• continuous variable
• random variable

### Question 12

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ranks data, and precise differences between units of measure do exist, however, there is no meaningful zero
• interval
• ratio
• nominal
• ordinal

### Question 13

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posses all the characteristics of interval measurement, and there exists a true zero
• ratio
• interval
• nominal
• data set

### Question 14

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consists of the collection, organization, summarization, and presentation of data
• descriptive statistic
• inferential statics
• ordinal
• interval

### Question 15

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consists of generalizing from samples to populations, performing hypothesis testing, determine relationships among variables, and making predictions.
• inferential statistics
• descriptive statistics
• nominal
• data set

### Question 16

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is the chance of an even occurring
• probability
• population
• sample
• data set

### Question 17

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consists of all subjects that are being studied
• population
• probability
• sample
• nominal

### Question 18

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is a group of subjects selected from a population
• sample
• population
• probability
• data set

### Question 19

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are selected using chance methods or random methods
• random samples
• systematic samples
• data sets
• nominal

### Question 20

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by numbering each subject of the populations and then selecting every nth number
• systematic samples
• random samples
• data sets
• interval

### Question 21

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by dividing the population into groups according to some characteristics that is important to the study, the sampling from each group
• stratified samples
• cluster samples
• data set
• nominal

### Question 22

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by using intact groups called clusters
• cluster samples
• stratified samples
• data sets
• ordinal

### Question 23

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thee researcher mercy observes what is happening or what has happened in the past and tries to draw conclusions based ion these observations
• 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
• experimental study
• observation study
• continuous variables
• ordinal

### Question 25

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data collected in original form is called
• raw data
• frequency distribution
• categorial frequency distribution
• nominal

### Question 26

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is the organization of raw data in table form, using classes and frequencies
• frequencies distribution
• raw data
• categorial frequency distribution
• nominal

### Question 27

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nominal or ordinal level data that can be places in categories is organized
• categorical frequency distribution
• raw data
• frequency distribution
• nominal

### Question 28

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are used when the range of the data is large
• grouped frequency distribution
• lower and upper class limits
• class boundaries
• ordinal

### Question 29

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the smallest and largest possible data values in class are the
• lower and upper limits
• class boundaries
• grouped frequency distribution
• ordinal

### Question 30

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is a graph that displays the data by using vertical bars of various heights to represent the frequencies of the classes
• histogram
• class boundaries
• ordinal
• nominal

### Question 31

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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
• frequency polygon
• class midpoints
• histogram
• nominal

### Question 32

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is a graph that represents the cumulative frequencies for the classes in a frequency distribution
• ogive
• ordinal
• histogram
• nominal

### Question 33

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if proportions are used instead of frequencies, the graph are called
• relative frequency graphs
• ogive
• ordinal
• nominal

### Question 34

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a statistical graph in which each data value is plotted as a point above the horizontal axis
• dotplot
• ogive
• ordinal
• nominal

### Question 35

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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
• stem and leaf plot
• ogive
• dot plot
• ordinal

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