Terminology - Terminology Overview PDF

Summary

This document provides an overview of terminology related to statistics and data analysis. It covers definitions of key concepts like data, variables, and different scales of measurement such as discrete, nominal, ordinal, and ratio. The document is designed to help students understand the basics of statistics.

Full Transcript

2/12/25, 11:54 AM OneNote Termonology Friday, January 17, 2025 9:30 AM Data- totality of your observations Created in systematic manner, clearly defined, low/no bias Clearly d...

2/12/25, 11:54 AM OneNote Termonology Friday, January 17, 2025 9:30 AM Data- totality of your observations Created in systematic manner, clearly defined, low/no bias Clearly defined- you measure the same thing for each person/object Datum, data point- an individual observation Variable- quantity of the real world that we can characterize as having alternative states (what we are measuring) Representativeness of data: Are you measuring the thing of interest? Scales of measurement: Discrete data ○ Any data arranged in categories based on trait and counted (only whole numbers Nominal/categorical no order to categories ○ Ex: species Ordinal- order or rank to categories along a dimension without equal measure between categories (asymmetrical) ○ Ex: floor size as small, med., l arge Counts useful, but limited mathematical or statistical analyses Continuous: ordinal- continuum partitioned into symmetrical increments with arbitrary zero point ○ Ex: temp Ratio- same as interval, but zero not arbitrary ○ Length of bone https://uvic-my.sharepoint.com/personal/lucybryden_uvic_ca/_layouts/15/Doc.aspx?sourcedoc={9faa0b91-e898-498c-a6e1-c5e15b84c2ef}&action=edit&wd=target… 1/1

Use Quizgecko on...
Browser
Browser