8 terms

Standard Deviation (σ)

A simple measure of the variability of a data set

Mean

Average of a group of values described as middle point, or central tendency of data

Error Bars

Used to represent the overall distribution of data and that the mean represents the true value

Bell curve

A ploy of a normal distribution of data

Coefficient of variation (V)

The standard deviation expressed as a percentage

T-test

Used to measure whether there is a significant difference between the means of two populations

Probably (p or p-value)

The likelihood of obtaining a test statistic result at least as extreme or as close to the one that was actually observed, assuming that the null hypothesis is true

Correlation (r- or r^2-value)

Used to define the extent of relatedness or relationship between two variables