Introduction to Statistics Flashcards
is the science of conducting studies to collect, organize, summarize, analyze, and draw conclusions from data
Statistics
We Study Statistics for Several Reasons?
- like any other professional people, you must be able to read and understand the various statistical studies performed in your fields
- you may be called on to conduct research in your field wherein statistical procedures are basic to research
is a characteristics or attribute that can assume different values
Variable
are the values (measurements or observations) that the variables can assume
Data
Cellphone app :_______
TikTok, Instagram, Facebook: ______
Variable
Data
is a variables whose values are determined by chance
Random Variables
tossing a coin
Random Variables
is a collection of data values
Data Set
each value in the data set
Data Value or Datum
consists of all subjects that are being studied
Population
is a group of subjects selected from a population
Sample
Two Areas of Statistics
- Descriptive Statistics
- Inferential Statistics
consists of the collection, organization, summarization, and presentation of data. In __________, the statistician tries to describe a situation
Descriptive Statistics
consists of generalizing from samples to populations, performing estimations and hypothesis tests, determining relationship among variables, and making predictions
Inferential Statistics