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[title] Understanding a T-test
[* black] Perform a Sample T-test on SPSS
[* black] '''Sample T-tes'''t: Examines the evidence that the dependent variable is influenced in a meaningful way by the independent variable; if it is, then it is statistically significant.
[* black] '''Variable''': An element, feature, or factor that is liable to vary or change.
[* black] '''Independent Variable''': This variable varies from each statistical test and influences the dependent variable.
[* black] '''Dependant Variable''': The variable that will be measured and affected by the independent variable.
[* black] '''When to use it''': The sample t-test is used to examine whether a sample comes from a particular population when the full population information is not available.
[* black] '''Sample''': Part of a population that is a reasonable size to be analyzed (i.e. a set of 1,000 people given a survey out of a population of 200,000).
[* black] '''Population''': The overall group that a sample is taken from. It usually can’t be represented directly, but instead is represented indirectly through analysis of a sample.
[* black] '''Variable''': An element, feature, or factor that is liable to vary or change.
[* black] '''Dependant Variable''': The variable that will be measured and affected by the independent variable.
[* black] '''Independent Variable''': This variable varies from each statistical test and influences the dependent variable.