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AFM Statistics Student Name
Statistics Vocabulary for Ms. Adams Class
26
Mathematics
12th Grade
11/05/2013

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Cards

Term
Individual
Definition

Relating to, or existing as just one member or part of a larger group

Term
Variable
Definition

able or likely to change or be changed : not always the same

Term
population
Definition

the number of people who live in a place

 
Term
Sample
Definition

 a small amount of something that gives you information about the thing it was taken from

 
Term
quantitative variable
Definition

of or relating to how much there is of something : of or relating to the quantity or amount of something

Term
quatitative variable
Definition

 

of or relating to how good something is : of or relating to the quality of something

Term
Nominal data
Definition

existing as something in name only : not actual or real

 

Term
Ordinal data
Definition

a book of rites for the ordination of deacons, priests, and bishops

Term
Interval data
Definition

 a period of time between events

 
Term
Ratio data
Definition

 

 the relationship that exists between the size, number, or amount of two things and that is often represented by two numbers

Term
Least square line
Definition

The straight line for which the sum of the squares of the residuals (deviations) is minimized.

Term
Explanatory variable
Definition
made or included in order to explain something
Term
Response variable
Definition

 something that is said or written as a reply to something

 

Term
Extrapolation
Definition

To form an opinion or to make an estimate about something from known facts

Term
Interpolation
Definition

 to put (something) between other things or parts

Term
Descriptive statistics
Definition

 giving information about how something or someone looks, sounds

Term
Inferential statistics
Definition

 

            relating to, involving, or resembling inference
Term
Normal distribution
Definition

  a probability density function that approximates the distribution of many random variables (as the proportion of outcomes of a particular kind in a large number of independent repetitions of an experiment in which the probabilities remain constant from trial to trial) and that equals the transcendental number e raised to an exponent and multiplied by a coefficient where the coefficient is a fraction whose numerator is 1 and whose denominator is the standard deviation mulitplied by the square root of twice the transcendental number π and the exponent is minus one half of the square of a fraction whose numerator is the difference between x and the mean and whose denominator is the standard deviation

Term
Standard deviation
Definition

  a measure of the dispersion of a frequency distribution that is the square root of the arithmetic mean of the squares of the deviation of each of the class frequencies from the arithmetic mean of the frequency distribution; also :  a similar quantity found by dividing by one less than the number of squares in the sum of squares instead of taking the arithmetic mean

Term
Scatter plot
Definition

 

a two-dimensional graph in rectangular coordinates consisting of points whose coordinates represent values of two variables under study
Term
Correlation
Definition

 

the relationship between things that happen or change together

Term
Correlation coefficient
Definition

 a number or function that indicates the degree of correlation between two sets of data or between two random variables and that is equal to their covariance divided by the product of their standard deviations

Term
Coefficient of determination
Definition

 the percent of the variation that can be explained by the regression equation. the explained

Term
Residual
Definition

 the difference between results obtained by observation and by computation from a formula or between the mean of several observations and any one of them

Term
Caustion
Definition

 the act or process of causing something to happen or exist

Term
Regression line
Definition

 a regression curve that is a straight line

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