- The probability of getting a result at least as extreme as the result given from the test. The lower the value the stronger the evidence.
- P-value
- The likelihood that a particular event will occur.
- Probability
- Information gathered from observations.
- Data
- The range of percentage points in which the sample accurately reflects the population, the range surrounding a sample's response within which researchers are confident the larger population's true response would fall.
- Margin of Error
- Data identified by something other than numbers.
- Qualitative
- The arithmetic average of a distribution, obtained by adding the scores and then dividing by the number of scores.
- Mean
- An experiment in which a set number of trials is used.
- Binomial
- An extreme deviation from the mean.
- Outlier
- Range of the middle 50% of the values; Q3-Q1 = 75th percentile - 25th percentile.
- IQR
- The standard deviation of a sampling distribution.
- Standard Error
- The difference between an observed value of the response variable and the value predicted by the regression line.
- Residual
- The act of repeating an experiment to get more accurate statistical evidence.
- Simulation
- Graphs a dot for each case against a single axis.
- Dotplot
- A measure of variability that describes an average distance of every score from the mean (r).
- Standard Deviation
- An error that occurs when a researcher concludes that the independent variable had an effect on the dependent variable, when no such relation exists; a false positive.
- Type I Error
- An error that occurs when a researcher concludes that the independent variable had no effect on the dependent variable, when in truth it did; a false negative.
- Type II Error
- Displays the 5-number summary as a central box with whiskers that extend to the non-outlying data values.
- l
- A graphed cluster of dots, each of which represents the values of two variables.
- Scatterplot
- Data or datum being numerically defined.
- Quantitative
- A parametric inferential statistical test of the null hypothesis for a single sample where the population standard deviation is known.
- z-Test

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