Data Measurement and Statistics

The act of quantifying variables or events in a strategic, orderly way is referred to as Data Measurement. This process incorporates various scales, such as nominal, ordinal, interval, and ratio. On the contrary, Statistics is a scientific field dedicated to the gathering, examination, and interpretation of data. It offers a structure for extracting dependable conclusions from the given data.

Finding the Median

Given the data set {7, 10, 12, 15, 18, 20, 25}, find the median.

Finding the Mean (Arithmetic)

A science teacher records the number of hours of sunshine over a 7 day period. The recorded hours are: 5, 6, 7, 8, 7, 6, 5. What is the average (mean) hours of sunshine per day for this period?

Finding the Mode

Find the mode of the following set of data: 5, 2, 9, 3, 5, 1, 7, 5, 4, 2, 5