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Statistics
Statistics 5- Hypothesis Testing
7
Archaeology
Undergraduate 1
04/13/2010

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Term
What does Inductive mean?
Definition
From data to theory- looking through ALL data to try and find associations
Term
What does Deductive mean?
Definition
From theory to data- Hypothesis! Applying a general theory that can be tested.
Term
What are the 5 Hypothesis Testing steps?
Definition
Formulate Null Hypothesis called H0, Formulate alternative hypothesis H1, decide upon rejection level or significance level, select and carry out appropriate statistical test, check probability.
Term
What is the KS test?
Definition
is used on ordinal, interval and ratio data. Used to compare 2 cumulative distributions.
KS= Kc x (squareroot of) (n1 + n2)/ (n1xn2). Kc= constant dependant upon significance level.
Term
What are the Kc for 0.1, 0.05, 0.01, 0.001?
Definition
1.22, 1.36, 1.63, 1.95
Term
What is the Chi Square test?
Definition
Can be used on all data.
x(squared)= Sum of(O-E) (squared)/E
O= observed frequency
E= expected frequency
Term
What are the requirements for Chi Square testing?
Definition
percentages cannot be used, total numbers must exceed 20, frequency in any fraction must exceed 5.
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