7 terms
Correlation in statistics measures how strongly two variables move together, summarized by a coefficient between -1 and +1 such as Pearson's r.
The mean in statistics is the sum of all values divided by their count, the balance point of a dataset and the most widely used measure…
The median in statistics is the middle value of an ordered dataset, a robust measure of central tendency that resists outliers and skewed distributions.
In statistics, the mode is the most frequent value in a dataset or the peak of a distribution, the only average that also works for categorical…
A percentile is the value below which a given percentage of observations in a dataset falls, used in statistics to describe position and spread.
Standard deviation in statistics measures how far values typically spread around their mean, expressed in the same units as the data.
Variance in statistics measures how far values spread around their mean, calculated as the average squared deviation and expressed in squared units.