#### Study sets matching "stats 1040"

#### Study sets matching "stats 1040"

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

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

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…

What are the 4 methods of data collecti…

What is an observational study?

What is an experiment?

What is a simulation?

Observation, Experiment, Simulation, Survey

Researcher observes, but does NOT change existing conditions.

A treatment is applied to part of a population, so existing co…

The use of a mathematical or physical model to reproduce the c…

What are the 4 methods of data collecti…

Observation, Experiment, Simulation, Survey

What is an observational study?

Researcher observes, but does NOT change existing conditions.

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…

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

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…

3.1 Measures of Central Tendency: Mean

3.1 Measures of Central Tendency: Median

3.1 Measures of Central Tendency: Mode

3.1 Measures of Central Tendency: Resis…

- The average.... - Used when data are quantitative and the frequ…

- The data value "in the middle"... - Used when the data are quan…

- The most frequently occurring value... - Can be applied to both…

Resistant statistic is a numerical summary (statistic or param…

3.1 Measures of Central Tendency: Mean

- The average.... - Used when data are quantitative and the frequ…

3.1 Measures of Central Tendency: Median

- The data value "in the middle"... - Used when the data are quan…

What is QUALITATIVE data?

What is QUANTITATIVE data?

What is a good way to remember the leve…

What is the NOMINAL level of measuremen…

Attributes, labels or NON-NUMERICAL entries

Consists of NUMERICAL measurements or counts

N.O.I.R (Think Pinot Noir)

Qualitative only! No mathematical computations can be made at…

What is QUALITATIVE data?

Attributes, labels or NON-NUMERICAL entries

What is QUANTITATIVE data?

Consists of NUMERICAL measurements or counts

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…

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…

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…

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…

Statistics

data

Data can be

Anecdotal means

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

a fact or proposition used to draw a conclusion or make a deci…

numerical, as in height, or nonnumerical, as in gender

that the information being conveyed is based on casual observa…

Statistics

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

data

a fact or proposition used to draw a conclusion or make a deci…

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…

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…

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…

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…

Standard Unit

normal approximation

Interquartile Range

percentile

a value is converted to this by seeing how many SDs it is abov…

consists of replacing the original histogram by the normal cur…

75th percentile--25th percentile

score

Standard Unit

a value is converted to this by seeing how many SDs it is abov…

normal approximation

consists of replacing the original histogram by the normal cur…

Scientific Method

Anecdotal Evident

Peer Review

Can a hypothesis be proven true?

1. Make observations... 2. Formulate hypothesis... 3. Devise a testa…

Something you base on your own observations

The research was reviewed by experts(people in the same discip…

No, but it can be supported or proven wrong

Scientific Method

1. Make observations... 2. Formulate hypothesis... 3. Devise a testa…

Anecdotal Evident

Something you base on your own observations

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