MKS U8 Vocabulary

Front

Data

Back

Raw facts or values collected for analysis.

Front

Data Set

Back

A collection of related data points (e.g., test scores, heights, temperatures).

Front

Population

Back

The entire set of items or individuals being studied in a statistical analysis.

Front

Sample

Back

A subset of the population used to represent the entire population in a study.

Front

Mean (Average)

Back

The sum of all data values divided by the number of data points. It measures the central tendency of a data set.

Front

Median

Back

The middle value of a data set when arranged in numerical order. If even, it's the average of the two middle values.

Front

Mode

Back

The value that appears most frequently in a data set.

Front

Range

Back

The difference between the maximum and minimum values in a data set.

Front

Outlier

Back

A data point significantly different from the rest, often much higher or lower.

Front

Quartiles

Back

Values that divide the data set into four equal parts. Includes Q1 (25th percentile) and Q3 (75th percentile).