Stats Stuff

Reject Null

When P-Value is less than Sig Level

Fail to Reject Null

When P-Value is greater than Sig level

There is Evidence to Prove

What does Reject Null Mean?

There is not enough evidence

What does Fail to Reject mean?

Relates to Proportion

Z-Test

Relate to Mean/Average

T-Test

Homogeneity

Two or More populations, categories, Compare distributions (proportions) across groups

Goodness of Fit

One population, categories, comparing the proportions to

expected values.

Test of Independence

Two categories, one population, trying to find correlation between both

Regression

Relationship between two quantitative variables

One Way Anova

Finding Average/mean between 3 or more populations, test whether the mean of your response variable differs across those groups