On-line statistics

Statistical Glossary

ANalysis Of VAriance (ANOVA or ANOVAR).. Parametric statistical comparison test for two or more data sets

Binomial Distribution..

Central Limit Theorem..

Central tendency..

Correlation (also relationship or trend).. A relationship between two or more factors

Data set.. All data pertaining to experiment or survey

Datum point.. Single measured value (plural: data)

Kruskal-Wallis.. Non-parametric equivalent of ANOVA

Kurtosis..

Leptokurtic.

Measurement.. value of reading taken of a phenomenon

n.. Number of data points in a sample

N.. sum of n from two or more samples

Negative skew..

Normal distribution..

Normaility.. Pertaining to normality

Ordinal..

Platykurtic..

Positive skew..

Probability..

Regression.. Statistical method for predicting unknown values of one correlation variable with another. Parametric and non-parametric equivalents are available.

Replication.. Multiplication of samples from a site or experiment to avoid chance events, i.e. five vessels per concentration of toxin or drug

Sample.. Measurements from one site or treatment in experiment

Skew.. Relates to the symmetry of a distribution that displays central tendency (see negative and positive skew).

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Descriptive Stats

Diversity Indices

Comparisons

Correlations

Regression