# Study sets matching "statistics chapter 1"

Study sets

Diagrams

Classes

Users

Individuals

Variable

Categorical Variable

Quantitive Variable

are objects described by a set of data. Such as people, animal…

is any characteristics of an individual. They can take differe…

places an individual into one of several groups or categories.…

takes numerical value for which it makes sense to find an aver…

Individuals

are objects described by a set of data. Such as people, animal…

Variable

is any characteristics of an individual. They can take differe…

frequency table

relative frequency table

categorical variable

distribution

A table that shows the number of individuals having each data…

A table which shows the proportion or percent of individuals h…

Assigns a label that places each individual into one of severa…

Describes what values the variable takes and how often it take…

frequency table

A table that shows the number of individuals having each data…

relative frequency table

A table which shows the proportion or percent of individuals h…

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.

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Data

Population

Sample

Parameter

information coming from observations, counts, measurements, or…

entire group being surveyed

subset, or part, of a population

numerical description of a population characteristic

Data

information coming from observations, counts, measurements, or…

Population

entire group being surveyed

Population

Sample

Descriptive Statistics

Inferential Statistics

An entire group to be studied (N = Population size (number of…

A selection or subset of members from the population, for anal…

A mathematical means of organizing and summarizing information

The methods for drawing, and measuring the reliability of, con…

Population

An entire group to be studied (N = Population size (number of…

Sample

A selection or subset of members from the population, for anal…

Individuals

Variable

Categorical Variable

Quantitive Variable

are objects described by a set of data. Such as people, animal…

is any characteristics of an individual. They can take differe…

places an individual into one of several groups or categories.…

takes numerical value for which it makes sense to find an aver…

Individuals

are objects described by a set of data. Such as people, animal…

Variable

is any characteristics of an individual. They can take differe…

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.

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…

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

Sample

Population

Census

Random Sampling

A subset of the population.

The whole set of items that are of interest.

A census observes or measures every member of a population.

Equal chance of selection (therefore there is no bias).

Sample

A subset of the population.

Population

The whole set of items that are of interest.

What is statistics as a field of study?

What is descriptive statistics?

What is inferential statistics?

What are individuals?

the study of how to collect, organize, analyze, and interpret…

collecting, organizing, and summarizing sample data

using sample data to draw conclusions about a population

people/objects being studied

What is statistics as a field of study?

the study of how to collect, organize, analyze, and interpret…

What is descriptive statistics?

collecting, organizing, and summarizing sample data

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…

inferential statistics

probability

hypothesis testing

statistics

procedures used to draw conclusions about larger populations f…

chance that an event will occur

a decision making process for evaluation claims about a popula…

conducting studies to collect, organize, summarize and draw co…

inferential statistics

procedures used to draw conclusions about larger populations f…

probability

chance that an event will occur

The study of statistics rests on what t…

The circles shown to the right are sim…

Data are more than just numbers, becau…

In statistics, variables are _____.

Variation and data

The circles shown to the right are similar, but not exactly t…

Data are more than just numbers, because data have context.

In statistics, variables are characteristics of people or thi…

The study of statistics rests on what t…

Variation and data

The circles shown to the right are sim…

The circles shown to the right are similar, but not exactly t…

Population

Experiment

Sample

Statistics

collection of all outcomes, responses, measurements or counts…

a treatment is applied to part of a population and responses a…

subset of a population

science of collecting, organizing, analyzing, and interpreting…

Population

collection of all outcomes, responses, measurements or counts…

Experiment

a treatment is applied to part of a population and responses a…

What are Statistics

What do statistical procedures allow us…

What is Population

What is a Sample

statistical procedures

organize, summarize information, determine the conclusions tha…

the set of all individuals of interest for a particular resear…

A representative subset of individuals from a population , the…

What are Statistics

statistical procedures

What do statistical procedures allow us…

organize, summarize information, determine the conclusions tha…

individuals

variable

categorical or qualitative variable

quantitative variable

The objects described by a set of data. May be people, animals…

Any characteristic of an individual of an individual. Can take…

Places an individual into one of several groups or categories.

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

individuals

The objects described by a set of data. May be people, animals…

variable

Any characteristic of an individual of an individual. Can take…

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…

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

Descriptive Statistics

Inferential statistics

Population

A way to get information from data

deals with the methods of organizing, summarizing, and present…

is a body of methods used to draw conclusions of inferences ab…

is the set of all items of interest in a statistical problem

Statistics

A way to get information from data

Descriptive Statistics

deals with the methods of organizing, summarizing, and present…

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Statistics

Data

Population

Sample

Science of collecting, describing, analyzing, and interpreting…

Information we get observations, counts, measurements, and res…

It is the whole group you are interested in

a subset of the population

Statistics

Science of collecting, describing, analyzing, and interpreting…

Data

Information we get observations, counts, measurements, and res…

Individuals

Variable

Categorical Variable

Quantitative Variable

The objects described by a set of data. They may be people, an…

any characteristic of an individual

places an individual into one of several groups or categories

takes on numerical values that make sense to average

Individuals

The objects described by a set of data. They may be people, an…

Variable

any characteristic of an individual

Average

Cluster Sampling

Continuous Random Variable

Control Group

AKA mean, a number that describes the central tendency of the…

a method for selecting a random sample and dividing the popula…

a random variable (RV) whose outcomes are measured

a group in a randomized experiment that receives an inactive t…

Average

AKA mean, a number that describes the central tendency of the…

Cluster Sampling

a method for selecting a random sample and dividing the popula…

statistics

data

population

sample

the "science" of organizing, analyzing, and interpreting data…

information that comes from observations, surveys, published s…

the collection of all subjects of intent

a subset of a population

statistics

the "science" of organizing, analyzing, and interpreting data…

data

information that comes from observations, surveys, published s…