MATH 170 Lecture Notes - Observational Study
Document Summary
Descriptive statistics - using numbers and graphs show data. I ( image or numerical value ) lnferencial statistics - using samples from smaller. 1 peri mental unit ~ any obuect we can collect data. Population - a set of all units from ari able ~ part of an individual unit ( the data ) leasuremerit - the process used to assign things. Census ~ a measurement of m o mimmo ariables. Sample - a subset of units in a population ( ex . a class in a school ) statistical. Measure of reliability ~ a statement about the degree population based off of a sample of uncertainty about given statistics uantitative data - measurements that can be shown (ex - height ) ia numbers. Aka numerical data ualitative data ~ measurements that cannot be measured on a natural numerical scale (ex . zip codes. Journal: designed experiment - researchers /experts have full control a. )
