| Concept | Symbol |
Define | Example | Calculate in Head |
Calculate in Excel |
Know Formula |
| Independent Variable | IV |
|||||
| Dependent Variable | DV |
|||||
| Level of a Variable | ||||||
| Dichotomous | ||||||
| Polychotomous | ||||||
| Continuous | ||||||
| Discrete | ||||||
| Population | ||||||
| Sample | ||||||
| Parameter | ||||||
| Statistic | ||||||
| Frequency Distribution | ||||||
| Histogram | ||||||
| Mode | ||||||
| Median | ||||||
| Mean | M, |
|||||
| Deviation Score | ||||||
| Absolute Average Deviation | AAD |
|||||
| Sum of Squares | SS |
|||||
| Variance | VAR, |
|||||
| Standard Deviation | SD, S, |
|||||
| Standard Score | Z |
|||||
| Probability Distribution | ||||||
| Probability Density Function | pdf |
|||||
| Empirical Distribution | ||||||
| Theoretical Distribution | ||||||
| The Normal Distribution | X~N |
|||||
| The Standard Normal Distribution | Z~N |
|||||
| Sampling Distribution | ||||||
| Sampling Distribution of the Mean | ||||||
| Standard Error | SE |
|||||
| Standard Error of the Mean | SEM, |
|||||
| Hypothesis Testing | ||||||
| Null Hypothesis | Ho |
|||||
| P Value | P |
|||||
| Critical Value | CV |
|||||
| 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, |
|||||
| Cohen's d | d |
|||||
| Eta Squared | ||||||
| Confidence Interval on a Sample Mean | C.I. |
|||||