#### Study sets matching "statistics"

#### Study sets matching "statistics"

Arcsine Transform

Average Deviation

Bimodal Frequency Distribution

Central Tendency

When the data are proportions it is usually recommended that…

the mean absolute deviation that measures the absolute differ…

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

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

Arcsine Transform

When the data are proportions it is usually recommended that…

Average Deviation

the mean absolute deviation that measures the absolute differ…

Arcsine Transform

Average Deviation

Bimodal Frequency Distribution

Central Tendency

When the data are proportions it is usually recommended that…

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

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

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

Arcsine Transform

When the data are proportions it is usually recommended that…

Average Deviation

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

Mean

Median

Mode

Statistics

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

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

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

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

Mean

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

Median

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

Mean

median

mode

range

adding numbers and then dividing the sum by the number of dig…

list orders from least to greatest; the number in the middle…

the number that appears most often in a set of data **there c…

The difference (-) between the greatest and least values in a…

Mean

adding numbers and then dividing the sum by the number of dig…

median

list orders from least to greatest; the number in the middle…

Working with charts and diagrams, alwa…

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, alwa…

Check the scale

Grouping data is good because,

it is easier to collect the data

Median

Mean

Mode

Quartile 1

The middle value when a data set is put in increasing order

The average of a data set

The most frequent value in a data set

The middle value of the data that's less than the median

Median

The middle value when a data set is put in increasing order

Mean

The average of a data set

Statistics

Statistical question

Sample size

Data

Science of collecting, organizing, representing, and explaini…

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 explaini…

Statistical question

A question that may have many answers

Mean

Median

Mode

Range

The sum of a set of data divided by the number of data in the…

The middle value in a set of ordered data. (When there is an…

The data that occurs the most often. (Can be numeric or categ…

The distance between the greatest and least data.

Mean

The sum of a set of data divided by the number of data in the…

Median

The middle value in a set of ordered data. (When there is an…

Mean

Median

Mode

Statistics

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

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

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

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

Mean

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

Median

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

statistics

histogram

percentile

distribution

quantitative data on any subject, esp data comparing the dist…

a statistical graph that represents the frequency of values o…

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

The distribution of things involves giving or delivering them…

statistics

quantitative data on any subject, esp data comparing the dist…

histogram

a statistical graph that represents the frequency of values o…

T-test

Type I vs. Type II error

Case-control study

Cohort study

Parametric Test... Continuous Variables

Type I: identifying difference when there is none... Type II: f…

2 groups of subjects-->one with outcome of interest and one w…

Assignment to group occurs BEFORE intervention

T-test

Parametric Test... Continuous Variables

Type I vs. Type II error

Type I: identifying difference when there is none... Type II: f…

statistics

inferential statistics

data

data g

procedures used to organize, condense, and analyze data in or…

procedures that enable generalizing from sample data to the l…

numerical facts about cases; conveys information about qualit…

plural

statistics

procedures used to organize, condense, and analyze data in or…

inferential statistics

procedures that enable generalizing from sample data to the l…

transformation

Statistical notation

Empirical

sample

is a mathematical procedure for systematically converting a s…

is the standardized code for symbolizing the mathematical ope…

means knowledge obtained through observation of events

is a relatively small subset of a population that is intended…

transformation

is a mathematical procedure for systematically converting a s…

Statistical notation

is the standardized code for symbolizing the mathematical ope…

addition rule of probabilities

alternative hypothesis

analysis of variance

ANOVA

Determines the probability of the union of two or more events.

Denoted by H1, represents the opposite of the null hypothesis…

a procedure to test the difference between more than two popu…

analysis of variance

addition rule of probabilities

Determines the probability of the union of two or more events.

alternative hypothesis

Denoted by H1, represents the opposite of the null hypothesis…

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

discrete numerical data

discrete categorical data

continuous numerical data

primary source data

data that can be counted

data that can be grouped according to a particular type

data that can be measured

first hand data collected from an original source

discrete numerical data

data that can be counted

discrete categorical data

data that can be grouped according to a particular type

Mean

Median

Mode

Measures of Central tendency

sum divided by 'n'; adding all the numbers together then divi…

Middle number

Most frequently occurring score; Most often

the mean, median, and mode used to describe data

Mean

sum divided by 'n'; adding all the numbers together then divi…

Median

Middle number

Correlation

Evaluating Correlation

Problems with Correlation

Quasi-experimental

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

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

Correlation does not mean causation. Third variables could pl…

attempts to minimize threats to internal validity

Correlation

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

Evaluating Correlation

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

Mean

Median

Mode

Range

The sum of a set of data divided by the number of data in the…

The middle value in a set of ordered data. (When there is an…

The data that occurs the most often. (Can be numeric or categ…

The distance between the greatest and least data.

Mean

The sum of a set of data divided by the number of data in the…

Median

The middle value in a set of ordered data. (When there is an…

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…

Dot Plot

a graphical display of data using dots

Range

the difference between the lowest and highest value

Statistics

Statistical Question

Numerical Data

Observation

Numerical facts or data that can be put together or tabulated…

A question that anticipates there will be different answers i…

data that can be counted or measured (Also called quantitativ…

What is seen or measured

Statistics

Numerical facts or data that can be put together or tabulated…

Statistical Question

A question that anticipates there will be different answers i…

Data

Statistics

population

census

collections of observations

the science of planning studies and experiments; obtaining da…

complete collection of all measurements or data

collection of data from every member of the population

Data

collections of observations

Statistics

the science of planning studies and experiments; obtaining da…

What is a null hypothesis (H0)?

If a study is without statical signifi…

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) betw…

State a difference exists between groups

What is a null hypothesis (H0)?

States no difference present between groups

If a study is without statical signifi…

Fails to reject null hypothesis

statistics

inferential statistics

data

datum

procedures used to organize, condense, and analyze data in or…

procedures that enable generalizing from sample data to the l…

numerical facts about cases; conveys information about qualit…

singular

statistics

procedures used to organize, condense, and analyze data in or…

inferential statistics

procedures that enable generalizing from sample data to the l…

What is a null hypothesis (H0)?

If a study is without statical signifi…

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) betw…

State a difference exists between groups

What is a null hypothesis (H0)?

States no difference present between groups

If a study is without statical signifi…

Fails to reject null hypothesis

Numerical Data

Categorical Data

Discrete Data

Continuous data

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

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.…

Categorical Data

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

data set

range

mean

median

all the data collected in a particular study

Distance between highest and lowest scores in a set of data.

the AVERAGE of a set of data; add them all up and divide the…

,Statistics: Mean, Median, Mode, Range, Graphing Data

data set

all the data collected in a particular study

range

Distance between highest and lowest scores in a set of data.

Statistics

Population

Sample

Statistical Sample

facts or data of numerical kind, ... assembled, classified, and…

represent ALL possible measurements... or outcomes that are of i…

refers to a PORTION of the population that is REPRESENTATIVE…

Part of a population whose properties... are studied to gain inf…

Statistics

facts or data of numerical kind, ... assembled, classified, and…

Population

represent ALL possible measurements... or outcomes that are of i…

mean

mode

median

range

A measure of centre in a set of numerical data, computed by a…

The value that occurs most frequently in a given data set.

A measure of centre in a set of numerical data. The median is…

Distance between highest and lowest scores in a set of data.

mean

A measure of centre in a set of numerical data, computed by a…

mode

The value that occurs most frequently in a given data set.

Box and Whisker Plot

Distribution

Line Plot

Frequency

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

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…

Distribution

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

1. Multiply the x values by the freque…

1. Find the midpoints of each class. (…

Add each frequency to the sum of the f…

1. Find the number of items. (1+2+3+7+…

How do you find the mean from this table?

How do you find the mean from this table?

How do you fill in the cumulative frequency table?

How do you find the median from a table?

1. Multiply the x values by the freque…

How do you find the mean from this table?

1. Find the midpoints of each class. (…

How do you find the mean from this table?

unbiased

Measure of Center

Box and Whisker Plot

5 number summary

does not favor one over another; ... syn(s). impartial, neutral,…

The mean and median are ways to measure the central position…

A diagram that summarizes data using the median upper and low…

Minimum ... Q1: lower quartile... Q2: median... Q3: upper quartile... Max…

unbiased

does not favor one over another; ... syn(s). impartial, neutral,…

Measure of Center

The mean and median are ways to measure the central position…

data

statistics

population

sample

consist of information coming from observations, counts, meas…

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

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

a subset, or part, of a population

data

consist of information coming from observations, counts, meas…

statistics

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

Standard Deviation

Standard Deviation Rule

Mean

Median

The average distance between data points and the mean

Approximately 68% of the data fall within 1 standard deviatio…

The average of a set of data (sensitive to outliers)

The middle number of a set of data (resistant to outliers)

Standard Deviation

The average distance between data points and the mean

Standard Deviation Rule

Approximately 68% of the data fall within 1 standard deviatio…

box plot

dot plot

mean (average)

standard deviation

The box plot (a.k.a. box and whisker diagram) is a standardiz…

A dot chart or dot plot is a statistical chart consisting of…

a number expressing the central or typical value in a set of…

a quantity calculated to indicate the extent of deviation for…

box plot

The box plot (a.k.a. box and whisker diagram) is a standardiz…

dot plot

A dot chart or dot plot is a statistical chart consisting of…

Population

Sample

Parameter

Sample statistic

set of all possible items, objects, or persons under consider…

subset of the population

descriptive measure of some characteristic of the population

descriptive measure of some characteristic of the sample

Population

set of all possible items, objects, or persons under consider…

Sample

subset of the population

Reliability ... Types:

CONSTRUCT VALIDITY... .Face-validity... .…

DIRECTIONALITY

THIRD VARIABLE

Consistency of a measure of a behavior. The bigger the reliab…

Statistics technique that analyzes the adequacy of the operat…

Problem occurs when researchers imply that a variable comes b…

Problem occurs when a variable, extraneous from the experimen…

Reliability ... Types:

Consistency of a measure of a behavior. The bigger the reliab…

CONSTRUCT VALIDITY... .Face-validity... .…

Statistics technique that analyzes the adequacy of the operat…

Mean

Median

Mode

Statistics

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

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

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

The study of sets of data - collection, presentation, interpr…

Mean

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

Median

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

parametric

non parametric

what is ordinal data

student t test

參數... continuous numerical data... from normally distributed popula…

Ordinal data... nominal data... Interval data ... not normally distrib…

顺序

- parametric test... - samples from normally distributed populat…

parametric

參數... continuous numerical data... from normally distributed popula…

non parametric

Ordinal data... nominal data... Interval data ... not normally distrib…

unbiased

Measure of Center

Box and Whisker Plot

5 number summary

does not favor one over another; ... syn(s). impartial, neutral,…

The mean and median are ways to measure the central position…

A diagram that summarizes data using the median upper and low…

Minimum ... Q1: lower quartile... Q2: median... Q3: upper quartile... Max…

unbiased

does not favor one over another; ... syn(s). impartial, neutral,…

Measure of Center

The mean and median are ways to measure the central position…

random sample

Biased

Observational

Sample

A sample in which every element in the population has an equa…

Data or question that favors a particular outcome

Researcher just takes measurements and gathers data

Smaller portion of population that represents population

random sample

A sample in which every element in the population has an equa…

Biased

Data or question that favors a particular outcome