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Hypothesis Testing (Key Ideas and Terms (Sample - a smaller group from the…
Hypothesis Testing
Key Ideas and Terms
Sample - a smaller group from the population
Z Score - Amount of standard deviations away from mean
P-Value - Probability Value
Statistical Signifigance
Below .05 - Moderate Evidence
Below .01 - Strong Evidence
Above .05 - Not enough Evidence
Outcomes of a Hypothesis Test
Reject Null Hypothesis - Support Alternative Hypothesis
Do NOT Reject Null Hypothesis - Do NOT support Alternative Hypothesis
Alternative Hypothesis
Ha: ....
Means : Mu
Greater Than - Right Tailed
Less Than - Left Tailed
Not Equal to - Two Tailed
Proportions : p
Null Hypothesis
Ho: .....
Means : Mu
Proportions : p
Greater Than - Right Tailed
Less Than - Left Tailed
Not Equal to - Two Tailed