#### Study sets matching "stats 1040"

#### Study sets matching "stats 1040"

Statistics

Descriptive statistic

Inferential statistic

Population

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

Organizing and summarizing collected data

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

Entire group of interest being studied

Statistics

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

Descriptive statistic

Organizing and summarizing collected data

data

statistics

population

census

collections of observations like measurements, genders, or su…

the science of planning studies and experiments

complete collection of all measurements or data that are bein…

data from everyone ,100%

data

collections of observations like measurements, genders, or su…

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 m…

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

A single data value is called a datum

The science of planning studies and experiments; obtaining da…

The Goal of statistics is:

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

Data is:

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

What are the 4 methods of data collect…

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 c…

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

What are the 4 methods of data collect…

Observation, Experiment, Simulation, Survey

What is an observational study?

Researcher observes, but does NOT change existing conditions.

Different types of hypothesis testing…

t-Test Test Statistic

Z-Test Test Statistic

Two variable Z-Test Test Statistic

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

(sample statistic-#)/SE+

(sample statistic-#)/SE

(Sample A statistic-Sample B statistic)/SEdiff

Different types of hypothesis testing…

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

t-Test Test Statistic

(sample statistic-#)/SE+

Data

Statistics

Population

Sample

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

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

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

is a subset of the population being studied.

Data

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

Statistics

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

Data

Statistics

Population

Sample

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

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

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

is a subset of the population being studied.

Data

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

Statistics

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

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

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: Resi…

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

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

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

Resistant statistic is a numerical summary (statistic or para…

3.1 Measures of Central Tendency: Mean

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

3.1 Measures of Central Tendency: Median

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

What is QUALITATIVE data?

What is QUANTITATIVE data?

What is a good way to remember the lev…

What is the NOMINAL level of measureme…

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 ob…

Science of planning studies and experiments and then observin…

Complete collection ofall measurements that are being conside…

Collection of data from every member of population

Data

Numeric measurements for certain variables; collections of ob…

Statistics

Science of planning studies and experiments and then observin…

Define Statistics [C-O-S-A]

Define Individual

Descriptive Statistics

Inferential Statistics

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

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

Consists of organizing and summarizing information collected

Uses methods that generalize results obtained from a sample t…

Define Statistics [C-O-S-A]

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

Define Individual

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

Observational Studies

Sample Surveys

Census

Experiments

Try to gather information without disturbing the scene they a…

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

Attempts to measure every individual in a population

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

Observational Studies

Try to gather information without disturbing the scene they a…

Sample Surveys

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

Confounder

Simpson's Paradox

Weighted Average

Causation

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

When relationships between percentages in subgroups are rever…

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

A definitive relationship that can be established only with c…

Confounder

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

Simpson's Paradox

When relationships between percentages in subgroups are rever…

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…

is how the data was produced.

try to gather information without disturbing the scene they w…

Statistical Study

is any study that records data about individuals.

Variables

are values that are given to individuals during studies that…

Statistics

data

Data can be

Anecdotal means

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

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

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

that the information being conveyed is based on casual observ…

Statistics

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

data

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

variability

population

sample

descriptive statistics

measure of the spread of a data set

entire set of measurements for responses about which informat…

a subset of measurements or responses selected from the popul…

The branch of statistics that includes numerical, graphical,…

variability

measure of the spread of a data set

population

entire set of measurements for responses about which informat…

What is Statistics?

Why do we need statistics?

Statistical Solving Process

Observational Study

The methodology for appropriately collecting data, summarizin…

Helps us deal w/ the variation that is everywhere in life by…

1. State 2. Formulate 3. Solve 4. Conclude

A study that merely observes conditions of individuals in a p…

What is Statistics?

The methodology for appropriately collecting data, summarizin…

Why do we need statistics?

Helps us deal w/ the variation that is everywhere in life by…

Population

Variable

Individuals

Observational Study

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

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

Objects described by a set of data.

observes individuals and measures variables of interest but d…

Population

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

Variable

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

Data

Statistics

Population

Sample

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

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

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

is a subset of the population being studied.

Data

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

Statistics

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

parsimony

reification

empirical method

scientific method

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

treating empirical findings as if it were a straightforward e…

obtaining info on the basis of observation

acquiring and testing knowledge through systematic observatio…

parsimony

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

reification

treating empirical findings as if it were a straightforward e…

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 chan…

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

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

Market Basket

List of specific goods and services in fixed quantities.

Price Index

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

Standard Unit

normal approximation

Interquartile Range

percentile

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

consists of replacing the original histogram by the normal cu…

75th percentile--25th percentile

score

Standard Unit

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

normal approximation

consists of replacing the original histogram by the normal cu…

Scientific Method

Anecdotal Evident

Peer Review

Can a hypothesis be proven true?

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

Something you base on your own observations

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

No, but it can be supported or proven wrong

Scientific Method

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

Anecdotal Evident

Something you base on your own observations