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Statistics Terms

Word List with 30 words
*By Dictionary.com

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Words in This List

bell-shaped curve
noun
frequency curve that resembles the outline of a bell, as the normal curve
bias
adjective
systematic as opposed to a random distortion of a statistic as a result of sampling procedure
box plot
noun
data display that shows the five-number summary
correlated
adjective
degree to which two variables are associated
dependent variable
noun
variable whose value is determined by the values assumed by other variables
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deviation
noun
difference between one of a set of values and some fixed value, usually the mean of the set
discrete variable
noun
variable that may assume only a countable, and usually finite, number of values
distribution
noun
objects that generalize functions, making to possible to differentiate functions
independent variable
noun
variable whose value determines the value or values of other variables
median
noun
value for which half the numbers are larger and half are smaller
mode
noun
number that occurs the most often in a list
normal distribution
noun
theoretical frequency distribution represented by a normal curve
null hypothesis
noun
hypothesis to be tested
percentile
noun
value of a variable below which a certain percent of observations fall
probability
noun
likelihood of the occurrence of an event
probability distribution
noun
distribution of all values of a random variable with an indication of their probabilities
random error
noun
error that has a random distribution and can be attributed to chance
range
noun
set of all values attained by a given function throughout its domain
regression
noun
process of finding a regression equation
sample
noun
to study a sample of the total population
standard deviation
noun
measure of dispersion in a frequency distribution
standard error
noun
standard deviation of a distribution of a sample statistic
systematic error
noun
persistent error that cannot be attributed to chance
test statistic
noun
statistic used to test a hypothesis
outlier
noun
data point that is distinctly separate from the rest of the data 
multiplication rule
noun
method for finding the probability that both of two events occur
addition rule
noun
method for finding the probability that either or both of two events occurs
correlation coefficient
noun
number that is a measure of the strength and direction of the correlation between two variables
mutually exclusive
noun
events that have no outcomes in common
population
noun
entire set of cases or individuals under consideration in a statistical analysis 

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Similar to Statistics Terms
Essential Latin Roots: Para-
by Dictionary.com
11 words

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Parts of Speech in English
by Dictionary.com
14 words

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