Hypothesis Testing
Terms
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Research Hypothesis (H1)
definition  Declarative statement that states how 2+ variables are believed to relate

Null Hypothesis(H0)
definition  States there is No real relationships or differences between the variables
 Nondirectional is tailed
 2

Twotailed hypothesis
definition  2 variables are expected to relate, but NO predicition on the direction is made
 Directional is tailed
 1

Onetailed hypothesis
definition  2 variables relates and predicition made on the direction
 Steps in Hypothesis Testing

1) State H1
2) State H0
3) Specify Signficance Level
4) Compute stats
5) Decide on H0  Signficance level is also known as an...
 Alpha level

Alpha Level
definition  Indicates the risk taken in rejecting the H0

Decision Rule
definition  Specifies what values will prompt a rejection or keeping of the H0

Statisticall Signficant
definition  Mathematicla proability of the even occuring by chance is less than the rejection level set

Type 1(I) Error
definition  Rejected the hypothesis tested when it was true.

Type 2(II)Error
definition  Failed to reject the hypothesis tested when a given alternative hypothesis was true.