# Intro to Statistics.pdf - Introduction to Statistics...

• 17

Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more. This preview shows page 1 - 8 out of 17 pages.

Introduction toStatistics
2Statisticsis an art andscience that deals with thecollection, organization,creative presentation, analysis,and interpretation of data.
3Types of StatisticsDescriptive Statisticsis concerned with themethods of collecting, organizing andpresenting data appropriately and creatively todescribe or asses group characteristics.For example, the National Statistics Office orthe Philippine Statistics Authority conductssurveys to determine the average age, incomeand other characteristics of the Filipinopopulation
4Types of StatisticsInferential Statisticsis concerned withinferring or drawing conclusions aboutthe population based from pre-selectedelements of that population.It consists of generalizing from samplesto populations, performing hypothesistesting, determining relationshipsamong variables and making predictions
5In statistics, we commonly use theterms population and sample.A populationis the complete andentire collection of elements to bestudied.A sampleis a subset of a population
6A parameteris a numericalmeasurement describing somecharacteristics of a population.A statisticis a numericalmeasurement describing somecharacteristics of a sample
7Constantsrefer to the fundamentalquantities that do not change in value.

Course Hero member to access this document

Course Hero member to access this document

End of preview. Want to read all 17 pages?