# Study sets matching "stats 1040"

Study sets

Diagrams

Classes

Users

data

statistics

population

census

collections of observations like measurements, genders, or sur…

the science of planning studies and experiments

complete collection of all measurements or data that are being…

data from everyone ,100%

data

collections of observations like measurements, genders, or sur…

statistics

the science of planning studies and experiments

Statistics

Descriptive statistic

Inferential statistic

Population

How to collect, organize, summarize and analyze information so…

Organizing and summarizing collected data

Methods that take sample results to extend it to (generalize a…

Entire group of interest being studied

Statistics

How to collect, organize, summarize and analyze information so…

Descriptive statistic

Organizing and summarizing collected data

The Goal of statistics is:

Data is:

Datum is:

Statistics is:

Learn about a large group by examining sample data from its me…

Collections of observations, such as measurements, genders, or…

A single data value is called a datum

The science of planning studies and experiments; obtaining dat…

The Goal of statistics is:

Learn about a large group by examining sample data from its me…

Data is:

Collections of observations, such as measurements, genders, or…

Population

Sample

Parameter

Statistic

The entire set of existing units that investigators wish to st…

A portion or subset of the population

A number that describes a population characteristic

A number that describes a sample characteristic

Population

The entire set of existing units that investigators wish to st…

Sample

A portion or subset of the population

PRODUCT

no effect

1/2 x 1/2 = 1/4

1/2 x 1/2 x 1/2= 1/8

If two events are independent, the chance they BOTH happen is…

Two events (A and B) are independent if the occurrence of even…

Toss a dime and a nickel. What is the chance both coins land o…

A coin is tossed 3 times, what's the chance of getting a H, th…

PRODUCT

If two events are independent, the chance they BOTH happen is…

no effect

Two events (A and B) are independent if the occurrence of even…

Different types of hypothesis testing a…

t-Test Test Statistic

Z-Test Test Statistic

Two variable Z-Test Test Statistic

z-test (one sample): when comparing population to a single num…

(sample statistic-#)/SE+

(sample statistic-#)/SE

(Sample A statistic-Sample B statistic)/SEdiff

Different types of hypothesis testing a…

z-test (one sample): when comparing population to a single num…

t-Test Test Statistic

(sample statistic-#)/SE+

Data

Statistics

Population

Sample

A fact or proposition used to draw a conclusion or make decisi…

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

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

is a subset of the population being studied.

Data

A fact or proposition used to draw a conclusion or make decisi…

Statistics

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

Data

Statistics

Population

Sample

A fact or proposition used to draw a conclusion or make decisi…

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

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

is a subset of the population being studied.

Data

A fact or proposition used to draw a conclusion or make decisi…

Statistics

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

Data

Statistics

Population

Sample

A fact or proposition used to draw a conclusion or make decisi…

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

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

is a subset of the population being studied.

Data

A fact or proposition used to draw a conclusion or make decisi…

Statistics

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

Population

Parameters

Sample

Statistics

Tickets in the box

Describes the percentage or average of the box

A small group of subjects gathered from a larger population

A numerical value measured from a sample

Population

Tickets in the box

Parameters

Describes the percentage or average of the box

parsimony

reification

empirical method

scientific method

the goal of accounting for the maximum number of empirical fin…

treating empirical findings as if it were a straightforward ex…

obtaining info on the basis of observation

acquiring and testing knowledge through systematic observation…

parsimony

the goal of accounting for the maximum number of empirical fin…

reification

treating empirical findings as if it were a straightforward ex…

Treatment Group

Control Group

Response

Blind Controls

Subjects in an experiment who are given the treatment in a stu…

Subjects in an experiment who are not given the treatment; the…

The outcome measured on all subjects in a statistical experime…

An experiment where only the subjects are unaware if they rece…

Treatment Group

Subjects in an experiment who are given the treatment in a stu…

Control Group

Subjects in an experiment who are not given the treatment; the…

Types of knowledge

objectivity

skepticism

open mindedness

-personal experience (not reliable)... -rationalism (reliable but…

supporting evid must be observable by anyone

claims must be backed up by evidence and critically evaluated

open to new evidence & replication

Types of knowledge

-personal experience (not reliable)... -rationalism (reliable but…

objectivity

supporting evid must be observable by anyone

What is the main difference between qua…

What do parameters describe?

What is a statistic?

What a Simple Random Sample (SRS)?

Quantitative variables can be averaged while categorical varia…

Population characteristics

A number that describes a sample

Size (n) consists of (n) individuals from the population chose…

What is the main difference between qua…

Quantitative variables can be averaged while categorical varia…

What do parameters describe?

Population characteristics

Observational Studies

Sample Surveys

Census

Experiments

Try to gather information without disturbing the scene they ar…

Chooses a sample from a specific population and uses the sampl…

Attempts to measure every individual in a population

Goal is to learn whether some treatment actually causes a cert…

Observational Studies

Try to gather information without disturbing the scene they ar…

Sample Surveys

Chooses a sample from a specific population and uses the sampl…

Confounder

Simpson's Paradox

Weighted Average

Causation

A third variable, associated with both the treatment and the r…

When relationships between percentages in subgroups are revers…

A technique for computing an average rate that takes into acco…

A definitive relationship that can be established only with co…

Confounder

A third variable, associated with both the treatment and the r…

Simpson's Paradox

When relationships between percentages in subgroups are revers…

Graph

Line graph

Pie Graph

Bar Graph

A visual aid used to show statistical trends and patterns

A graph that uses one or more lines to show changes in statist…

A graph that highlights segments of a circle to show simple di…

A graph that uses vertical or horizontal bars to show comparis…

Graph

A visual aid used to show statistical trends and patterns

Line graph

A graph that uses one or more lines to show changes in statist…

Statistical Study

Variables

Most Important Stat. Fact

Observational Studies

is any study that records data about individuals.

are values that are given to individuals during studies that a…

is how the data was produced.

try to gather information without disturbing the scene they we…

Statistical Study

is any study that records data about individuals.

Variables

are values that are given to individuals during studies that a…

Data

Statistics

Population

Census

Numeric measurements for certain variables; collections of obs…

Science of planning studies and experiments and then observing…

Complete collection ofall measurements that are being consider…

Collection of data from every member of population

Data

Numeric measurements for certain variables; collections of obs…

Statistics

Science of planning studies and experiments and then observing…

variability

population

sample

descriptive statistics

measure of the spread of a data set

entire set of measurements for responses about which informati…

a subset of measurements or responses selected from the popula…

The branch of statistics that includes numerical, graphical, a…

variability

measure of the spread of a data set

population

entire set of measurements for responses about which informati…

Population

Variable

Individuals

Observational Study

In a statistical study is the entire group of individuals abou…

Any characteristic of an individual. It can take different val…

Objects described by a set of data.

observes individuals and measures variables of interest but do…

Population

In a statistical study is the entire group of individuals abou…

Variable

Any characteristic of an individual. It can take different val…

Supporting Materials

Example

Brief Example

Extended Example

The materials used to support a speaker's ideas. The three maj…

A specific case used to illustrate or represent a group of peo…

A specific case referred to in passing to illustrate a point

A story, narrative, or anecdote developed at some length to il…

Supporting Materials

The materials used to support a speaker's ideas. The three maj…

Example

A specific case used to illustrate or represent a group of peo…

Response Variable

explanatory variable

Subjects

Treatment

A variable that measures an outcome or result of a study.

A variable that we think explains or causes changes in the res…

Individuals studied in an experiment.

Any specific experimental condition that is applied to the sub…

Response Variable

A variable that measures an outcome or result of a study.

explanatory variable

A variable that we think explains or causes changes in the res…

Market Basket

Price Index

Consumer Price Index (CPI)

CPI

List of specific goods and services in fixed quantities.

Measure showing how much the cost of a market basket has chang…

Measure that tracks changes in the cost of a basket of goods a…

(Cost of desired-year basket in base-year prices) / (cost of b…

Market Basket

List of specific goods and services in fixed quantities.

Price Index

Measure showing how much the cost of a market basket has chang…