# Study sets matching "statistics chapter 1"

Statistics

variable

data

random variables

the science of conducting studies to collect, organize, summar…

a characteristic or attribute that can assume different values

values (measurements or observations) that the variable can as…

variables whose values are determined by chance

Statistics

the science of conducting studies to collect, organize, summar…

variable

a characteristic or attribute that can assume different values

Variables

Categorical Variable

Quantitative Variable

Frequency Table

Characteristic of an individual

Places individual into a category

Takes numerical values for which it makes sense to find an ave…

Table of counts

Variables

Characteristic of an individual

Categorical Variable

Places individual into a category

Statistics

Population

Sample

Statistic

The science of collecting, organizing, analyzing, and interpre…

The collection of all outcomes, responses, measurments, or cou…

A subset, or part, of a population.

A numerical description of a sample chacharacgeris.

Statistics

The science of collecting, organizing, analyzing, and interpre…

Population

The collection of all outcomes, responses, measurments, or cou…

Data

Census

Sample

Population

Collections of observations (such as measurements, genders, su…

The collection of data from every member of the population.

Subcollection of members selected from a population.

The complete collection of all individuals to be studied.

Data

Collections of observations (such as measurements, genders, su…

Census

The collection of data from every member of the population.

Hawthorn Effect

Placebo Effect

Telephone, Mail, In person, Observation

Random

People act differently if they suspect they are being observed.

If we think something is going to happen, we believe it.

Survey Methods

random selection of people.

Hawthorn Effect

People act differently if they suspect they are being observed.

Placebo Effect

If we think something is going to happen, we believe it.

Data

Statistics

Population

Sample

Information coming from observations, counts, measurements, or…

The science of collecting, organizing, analyzing, and interpre…

The collection of all outcomes, responses, measurements, or co…

A subset of a population.

Data

Information coming from observations, counts, measurements, or…

Statistics

The science of collecting, organizing, analyzing, and interpre…

continuous variable

descriptive variable

discrete variable

element

take on any value within a finite or infinite interval

methods for summarizing and organizing the information in a da…

values are distinct and separate; take either a finite or a co…

specific entity about which information is collected

continuous variable

take on any value within a finite or infinite interval

descriptive variable

methods for summarizing and organizing the information in a da…

Statistics

Population

Sample

Parameter

Science of collecting, organizing, analyzing, and interpreting…

Collection of all outcomes, responses measurements, or counts…

Subset, or part, of a population.

Numerical description of a population characteristic.

Statistics

Science of collecting, organizing, analyzing, and interpreting…

Population

Collection of all outcomes, responses measurements, or counts…

Data

population

census

sample

collections of observations

the complete set of people or things that are being studied. I…

the collection of data from every member of the population. Th…

a subset of the population. We use samples to estimate the res…

Data

collections of observations

population

the complete set of people or things that are being studied. I…

Statistics

Major Steps in Stats

Observational Study

Experimental Study

Analyzes data, studies the probability of an outcome and helps…

1. Design of experiment (research question)... 2. Data Collection…

No controllable treatments are applied (only observed)

Treatments are applied to experimental units (and then the eff…

Statistics

Analyzes data, studies the probability of an outcome and helps…

Major Steps in Stats

1. Design of experiment (research question)... 2. Data Collection…

Data

Statistics

Population

Census

Collection of observations (such as measurements, genders, sur…

The science of planning studies and experiments, obtaining dat…

The complete collection of all individuals (score, people, mea…

The collection of data from every member of the population.

Data

Collection of observations (such as measurements, genders, sur…

Statistics

The science of planning studies and experiments, obtaining dat…

Statistics

Population

A statistic

Parameter

The science of conducting studies to collect, organize, sumari…

All the members of the group that you are studying

Something factual that describes the sample

Something factual that describes the population

Statistics

The science of conducting studies to collect, organize, sumari…

Population

All the members of the group that you are studying

The 1.5 x IQR Rule for Outliers

Association

Back-to-back stemplot

Bar graph

Call an observation an outlier if it falls more than 1.5 x IQR…

Occurs between two variables if specific values of one variabl…

Used to compare the distribution of a quantitative variable fo…

Used to display the distribution of a categorical variable or…

The 1.5 x IQR Rule for Outliers

Call an observation an outlier if it falls more than 1.5 x IQR…

Association

Occurs between two variables if specific values of one variabl…

statistics

population

sample

descriptive

___ is the science of collecting, organizing, summarizing, ana…

The entire group of individuals to be studied is called the __…

A ___ is a subset of the population that is being studied.

___ statistics deals with the organization and summarization o…

statistics

___ is the science of collecting, organizing, summarizing, ana…

population

The entire group of individuals to be studied is called the __…

statistics

population

sample

descriptive

___ is the science of collecting, organizing, summarizing, ana…

The entire group of individuals to be studied is called the __…

A ___ is a subset of the population that is being studied.

___ statistics deals with the organization and summarization o…

statistics

___ is the science of collecting, organizing, summarizing, ana…

population

The entire group of individuals to be studied is called the __…

Statistics

variable

data

random variables

the science of conducting studies to collect, organize, summar…

a characteristic or attribute that can assume different values

values (measurements or observations) that the variable can as…

variables whose values are determined by chance

Statistics

the science of conducting studies to collect, organize, summar…

variable

a characteristic or attribute that can assume different values

Individuals

Variables

Categorical Variable

Quantitative Variable

Objects

Characteristic of an individual

Places individual into a category

Takes numerical values for which it makes sense to find an ave…

Individuals

Objects

Variables

Characteristic of an individual

OGIVE graph is for

OGIVE graph components

Group frequency distribution categories

Quantitative variable

Cumulative frequency or cumulative relative -> %'s frequency d…

Title, Vertical scale with either cumulative frequencies or cu…

Class, boundaries, tally, class mark, frequency, relative freq…

Arithmetic operations are meaningful

OGIVE graph is for

Cumulative frequency or cumulative relative -> %'s frequency d…

OGIVE graph components

Title, Vertical scale with either cumulative frequencies or cu…

Define Statistics [C-O-S-A]

Define Individual

Descriptive Statistics

Inferential Statistics

The science of collecting, organizing, summarizing, and analyz…

A person or object that is a member of the population being st…

Consists of organizing and summarizing information collected

Uses methods that generalize results obtained from a sample to…

Define Statistics [C-O-S-A]

The science of collecting, organizing, summarizing, and analyz…

Define Individual

A person or object that is a member of the population being st…

Discrete

Nominal

Ordinal

Interval

Data that can take on only particular values and cannot take o…

Data that represent whether a variable possesses some characte…

Data that represent categories that have some associated order.

If the data can be ordered and the arithmetic difference is me…

Discrete

Data that can take on only particular values and cannot take o…

Nominal

Data that represent whether a variable possesses some characte…

Individuals

Variable

To better understand the date. When you…

Categorical Variable

are objects described by a set of data. Individuals may be peo…

is any characteristics of an individual. A variable can take d…

1)

**Who**are the individuals described by the data? How many i…places an individual into one of several groups or categories.…

Individuals

are objects described by a set of data. Individuals may be peo…

Variable

is any characteristics of an individual. A variable can take d…

Statistics

Population

Sample

Quantitative Data

The method of collecting, analyzing, displaying and interpreti…

The collection of all elements to be studied

A subset of elements of the population

Numerical data:... -Discrete: Has gaps; is countable and may be f…

Statistics

The method of collecting, analyzing, displaying and interpreti…

Population

The collection of all elements to be studied

Statistics

Individuals

Variable

Quantitative variable

is the study of how to collect, organize, analyze, and interpr…

are the people or objects included in the study.

is a characteristic of the individual to be measured or observ…

has a value or numerical measurement for which operations such…

Statistics

is the study of how to collect, organize, analyze, and interpr…

Individuals

are the people or objects included in the study.

Statistics

Descriptive Statistics

Inferential Statistics

Population

the art of collecting, organizing, summarizing, and describing…

collecting data, organizing data, summarizing data, and descri…

drawing conclusions about the data

the complete set of units we are studying; may be people, anim…

Statistics

the art of collecting, organizing, summarizing, and describing…

Descriptive Statistics

collecting data, organizing data, summarizing data, and descri…