# Study sets matching "statistics"

Study sets

Diagrams

Classes

Users

statistics

histogram

percentile

distribution

Statistics is the study of the collection, analysis, interpret…

a statistical graph that represents the frequency of values of…

A percentile is one of the equal divisions of an amount, expre…

The distribution of things involves giving or delivering them…

statistics

Statistics is the study of the collection, analysis, interpret…

histogram

a statistical graph that represents the frequency of values of…

Biased

Biased

Observational

Sample

Data or question that favors a particular outcome

Data or question that favors a particular outcome

Researcher just takes measurements and gathers data

Smaller portion of population that represents population

Biased

Data or question that favors a particular outcome

Biased

Data or question that favors a particular outcome

Individuals

Variable

Quantitative

Categorical

Objects for which we collect data. People, Animals, Things are…

A characteristic of an individual. The characteristics can be…

A ... variable is one that takes on numerical values where it…

A ... variable is one that places an individual in a group.

Individuals

Objects for which we collect data. People, Animals, Things are…

Variable

A characteristic of an individual. The characteristics can be…

Arcsine Transform

Average Deviation

Bimodal Frequency Distribution

Central Tendency

When the data are proportions it is usually recommended that t…

The average deviation, or the mean absolute deviation, measure…

A bimodal distribution is like a combination of two normal dis…

In statistics, a central tendency (or more commonly, a measure…

Arcsine Transform

When the data are proportions it is usually recommended that t…

Average Deviation

The average deviation, or the mean absolute deviation, measure…

Arcsine Transform

Average Deviation

Bimodal Frequency Distribution

Central Tendency

When the data are proportions it is usually recommended that t…

the mean absolute deviation that measures the absolute differe…

A combination of two normal distributions -there are two peaks…

In statistics, a __________________ (or more commonly, a measu…

Arcsine Transform

When the data are proportions it is usually recommended that t…

Average Deviation

the mean absolute deviation that measures the absolute differe…

Mean

Median

Mode

Statistics

The average of the data points. ... Add all the data points; divi…

The middle point.... List all the data points in numerical order;…

The number seen the most.... Look at list, count how many times t…

using data to answer questions; not yes/no or single answer qu…

Mean

The average of the data points. ... Add all the data points; divi…

Median

The middle point.... List all the data points in numerical order;…

Numerical Data

Categorical Data

Discrete Data

Continuous data

Quantitative Data, ... Data that can be gathered using numbers. E…

Qualitative Data,... Data that can be placed into categories . e.…

data that can only have particular values. In most cases, the…

data that can take any value between the smallest and largest…

Numerical Data

Quantitative Data, ... Data that can be gathered using numbers. E…

Categorical Data

Qualitative Data,... Data that can be placed into categories . e.…

Dot Plot

Range

Quartiles

Five Number Summary

a graphical display of data using dots

the difference between the lowest and highest value

the values that divide a list of numbers into quarters

a set of data showing the Minimum, 1st Quartile, Median, 3rd Q…

Dot Plot

a graphical display of data using dots

Range

the difference between the lowest and highest value

Working with charts and diagrams, alway…

Grouping data is good because,

Grouping data is not so good because,

Median is

Check the scale

it is easier to collect the data

you lose accuracy and can only estimate your statistics.

the middle number in a set once it is in order

Working with charts and diagrams, alway…

Check the scale

Grouping data is good because,

it is easier to collect the data

Statistics

Statistical question

Sample size

Data

Science of collecting, organizing, representing, and explainin…

A question that may have many answers

Number of people asked a statistical question

Information often in number form and usually organized

Statistics

Science of collecting, organizing, representing, and explainin…

Statistical question

A question that may have many answers

Box and Whisker Plot

Distribution

Line Plot

Frequency

A diagram that summarizes data using the mean, the upper and l…

The arrangement of values that show the spread of the data.

A statistical chart consisting of data points on a number line.

The number of times an item, number, or event occurs.

Box and Whisker Plot

A diagram that summarizes data using the mean, the upper and l…

Distribution

The arrangement of values that show the spread of the data.

Inferential Statistics

Descriptive Statistics

bar graphs

pie graphs

Hypothesis Testing, Applying probability, discovering correlat…

Frequency Distributions, Graphing and Charting Data, Measures…

Inferential Statistics

Hypothesis Testing, Applying probability, discovering correlat…

Descriptive Statistics

Frequency Distributions, Graphing and Charting Data, Measures…

data

statistics

population

sample

consist of information coming from observations, counts, measu…

the science of collection, organizing, analyzing, and interpre…

collection of all outcomes, responses, measurements, or counts…

a subset, or part, of a population

data

consist of information coming from observations, counts, measu…

statistics

the science of collection, organizing, analyzing, and interpre…

Statistics

When did people first become interested…

Who studied the similarity of intellige…

Where were basic statistical procedures…

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

17th century

Francis Galtin (1822-1911)

agriculture, astronomy, and politics

Statistics

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

When did people first become interested…

17th century

Ways to Gain Information

Empiricism

Faith/Intuition

Tenacity

Empiricism, Faith/Intuition, Tenacity, Authority, Observe, Tra…

Research Based

Gut, No Source, Can not separate accurate v. inaccurate

Superstitions, "Lucky Charm"

Ways to Gain Information

Empiricism, Faith/Intuition, Tenacity, Authority, Observe, Tra…

Empiricism

Research Based

Statistics (Singular)

Population

Sample

Statistics (Plural)

The science of collecting, organizing, and interpreting data

The complete set of people or things being studied

A subset of the population from which data are actually obtain…

Numbers describing characteristics of a sample found by summar…

Statistics (Singular)

The science of collecting, organizing, and interpreting data

Population

The complete set of people or things being studied

Dot Plot

Range

Quartiles

Five Number Summary

a graphical display of data using dots

the difference between the lowest and highest value

the values that divide a list of numbers into quarters

a set of data showing the Minimum, 1st Quartile, Median, 3rd Q…

Dot Plot

a graphical display of data using dots

Range

the difference between the lowest and highest value

Linear Transformation

Interpret a Z-score

Interpret Standard Deviation

Marginal vs. Conditional Distributions

involves adding a constant "a", multiplying by a constant "b",…

Standard Deviation measures spread by giving the "typical" or…

In a 2-way Table, Marginal distributions consider only one var…

Linear Transformation

involves adding a constant "a", multiplying by a constant "b",…

Interpret a Z-score

Statistics (Singular)

Population

Sample

Statistics (Plural)

The science of collecting, organizing, and interpreting data

The complete set of people or things being studied

A subset of the population from which data are actually obtain…

Numbers describing characteristics of a sample found by summar…

Statistics (Singular)

The science of collecting, organizing, and interpreting data

Population

The complete set of people or things being studied

What is a null hypothesis (H0)?

If a study is without statical signific…

What is the null hypothesis in the Aim…

What is the alternative hypothesis (H1)?

States no difference present between groups

Fails to reject null hypothesis

no difference in cardiovascular events (primary outcome) betwe…

State a difference exists between groups

What is a null hypothesis (H0)?

States no difference present between groups

If a study is without statical signific…

Fails to reject null hypothesis

Correlation

Evaluating Correlation

Problems with Correlation

Quasi-experimental

Relationships between two variables... -No causation... -No explanat…

-1 Strong negative correlation... 0 No correlation... 1 Strong posit…

Correlation does not mean causation. Third variables could pla…

attempts to minimize threats to internal validity

Correlation

Relationships between two variables... -No causation... -No explanat…

Evaluating Correlation

-1 Strong negative correlation... 0 No correlation... 1 Strong posit…

Mean

Median

Mode

Statistics

The average of the data points. ... Add all the data points; divi…

The middle point.... List all the data points in numerical order;…

The number seen the most.... Look at list, count how many times t…

using data to answer questions; not yes/no or single answer qu…

Mean

The average of the data points. ... Add all the data points; divi…

Median

The middle point.... List all the data points in numerical order;…

Dot Plot

Range

Quartiles

Five Number Summary

a graphical display of data using dots

the difference between the lowest and highest value

the values that divide a list of numbers into quarters

a set of data showing the Minimum, 1st Quartile, Median, 3rd Q…

Dot Plot

a graphical display of data using dots

Range

the difference between the lowest and highest value