# Shared Flashcard Set

## Details

Statistics
Statistics 2- Descriptive
8
Archaeology
Undergraduate 1
04/13/2010

## Cards Return to Set Details

Term
 What is the Mode?
Definition
 The number or value that occurs the most
Term
 What is the Median?
Definition
 The mid point in a set of numbers of values
Term
 What is the Mean and what is the formula?
Definition
 The average of all the values or numbers.Mean = Total Observation/ Number of Observations
Term
 What are the 3 forms of distribution?
Definition
 Symmetrical, Positive Skew and Negative Skew
Term
 What is the Range?
Definition
 The difference between the highest and lowest value.
Term
 What is a Quartile, Interquartile Range and Quartile Deviation?
Definition
 Quartile- Q1 (25%), Q2(50%), Q3(75%) variablesInterquarile Range- Q3- Q1Quartile Deviation- (Q3-Q1)/ 2
Term
 What are the Formulas that indentify Quartiles?
Definition
 (0.25(n+1))(0.5(n+1))(0.75(n+1))n= total number of observation
Term
 What is Standard Deviation?
Definition
 It is the root mean square (rms)deviation of the values from their aritmetic mean.
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