Final answer:
Descriptive statistics involves calculating measures to describe and summarize data. Measures of central tendency, dispersion, and shape can be calculated for a data set.
Step-by-step explanation:
Descriptive statistics is a branch of statistics that aims to describe and summarize data. There are several descriptive measures that can be calculated for a data set:
- Measures of Central Tendency: These measures represent the central or average value of the data set. Examples include the mean, median, and mode. These measures are valid for both quantitative and qualitative variables.
- Measures of Dispersion: These measures indicate the spread or variability of the data set. Examples include the range, variance, and standard deviation. These measures are valid for quantitative variables.
- Measures of Shape: These measures describe the shape or distribution of the data set. Examples include skewness and kurtosis. These measures are valid for quantitative variables.