Concept | Symbol |
Define | Example | Calculate in Head |
Calculate in Excel |
Know Formula |
Independent Variable | IV |
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Dependent Variable | DV |
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Level of a Variable | ||||||
Dichotomous | ||||||
Polychotomous | ||||||
Continuous | ||||||
Discrete | ||||||
Population | ||||||
Sample | ||||||
Parameter | ||||||
Statistic | ||||||
Frequency Distribution | ||||||
Histogram | ||||||
Mode | ||||||
Median | ||||||
Mean | M, ,, |
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Deviation Score | ||||||
Absolute Average Deviation | AAD |
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Sum of Squares | SS |
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Variance | VAR, , |
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Standard Deviation | SD, S,, |
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Standard Score | Z |
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Probability Distribution | ||||||
Probability Density Function | pdf |
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Empirical Distribution | ||||||
Theoretical Distribution | ||||||
The Normal Distribution | X~N |
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The Standard Normal Distribution | Z~N |
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Sampling Distribution | ||||||
Sampling Distribution of the Mean | ||||||
Standard Error | SE |
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Standard Error of the Mean | SEM, |
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Hypothesis Testing | ||||||
Null Hypothesis | Ho |
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P Value | P |
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Critical Value | CV |
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Rejection Region | ||||||
Null Distribution | ||||||
Type One Error | ||||||
Alpha | ||||||
Type Two Error | ||||||
Beta | ||||||
Power | ||||||
Test Statistic | ||||||
Two Groups t-test | ||||||
ANOVA | ||||||
Effect Size | ||||||
Pearson r | r, |
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Cohen's d | d |
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Eta Squared | ||||||
Confidence Interval on a Sample Mean | C.I. |
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