Statistical Analysis of Data
Statistical Analysis of Data By: Siddiq ullah Slide 1 What is statistics? Latin “status”---political state—info useful to state (size of population, armed forces etc) A branch of mathematics concerned with understanding and summarizing collections of numbers A collection of numerical facts systematically arranged Slide 2 Descriptive Statistics Statistics which describe attributes of a sample or population. Includes measures of central tendency statistics (e.g., mean, median, mode), frequencies, percentages. Minimum, maximum, and range for a data set, variance etc. Organize and summaries a set of data Slide 3 Inferential Statistics Used to make inferences or judgments about a larger population based on the data collected from a small sample drawn from the population. A key ...